Q: What is the sum of all factors of the number 19,851 excluding 19,851?
A: 8,709
The factors of the number 19,851 are: 1, 3, 13, 39, 509, 1527, 6617, 19851.
If you add them up, you will get the total of 19,859. Now subtract 19,851 to get 8,709