Q: What is the sum of all factors of the number 18,009,018 excluding 18,009,018?

A: 23,647,662

Why is 23,647,662 the sum of all factors of 18,009,018, excluding 18,009,018?

The factors of the number 18,009,018 are: 1, 2, 3, 6, 9, 17, 18, 34, 51, 102, 153, 229, 257, 306, 458, 514, 687, 771, 1374, 1542, 2061, 2313, 3893, 4122, 4369, 4626, 7786, 8738, 11679, 13107, 23358, 26214, 35037, 39321, 58853, 70074, 78642, 117706, 176559, 353118, 529677, 1000501, 1059354, 2001002, 3001503, 6003006, 9004509, 18009018.

If you add them up, you will get the total of 18,009,041. Now subtract 18,009,018 to get 23,647,662