18740265

素因数分解:

$3^1\times 5^1\times {\mathrm{557}}^1\times {\mathrm{2243}}^1$

素因数の和:2808

約数の個数: 16

約数和(自身を含む): 30051648

約数和(自身を除く): 11311383

約数列:

[1, 3, 5, 15, 557, 1671, 2243, 2785, 6729, 8355, 11215, 33645, 1249351, 3748053, 6246755, 18740265]

約数ペア:

[(1, 18740265), (3, 6246755), (5, 3748053), (15, 1249351), (557, 33645), (1671, 11215), (2243, 8355), (2785, 6729)]