18686032

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{17431}}^1$

素因数の和:17506

約数の個数: 20

約数和(自身を含む): 36746656

約数和(自身を除く): 18060624

約数列:

[1, 2, 4, 8, 16, 67, 134, 268, 536, 1072, 17431, 34862, 69724, 139448, 278896, 1167877, 2335754, 4671508, 9343016, 18686032]

約数ペア:

[(1, 18686032), (2, 9343016), (4, 4671508), (8, 2335754), (16, 1167877), (67, 278896), (134, 139448), (268, 69724), (536, 34862), (1072, 17431)]