Q: What is the sum of all factors of the number 18,908,720 excluding 18,908,720?

A: 25,686,640

Why is 25,686,640 the sum of all factors of 18,908,720, excluding 18,908,720?

The factors of the number 18,908,720 are: 1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 2840, 3329, 5680, 6658, 13316, 16645, 26632, 33290, 53264, 66580, 133160, 236359, 266320, 472718, 945436, 1181795, 1890872, 2363590, 3781744, 4727180, 9454360, 18908720.

If you add them up, you will get the total of 18,908,745. Now subtract 18,908,720 to get 25,686,640