Question 953007
The number divided by 2 is greater than 9 and less than 13.  That means the number is greater than 18 and less than 26.<P>
It's a whole number, so it is 19, 20, 21, or 22.<P>
Prime factors:

19:  19 and 1, the sum is 20.<P>
20: 2, 5 and 2, the sum is 9.<P>
21:  2 and 7, the sum is 10.<P>
22: 2 and 11, the sum is 13.<P>
The only possible number is 20.  It is divisible by 5.