18364910

素因数分解:

$2^1\times 5^1\times {\mathrm{431}}^1\times {\mathrm{4261}}^1$

素因数の和:4699

約数の個数: 16

約数和(自身を含む): 33141312

約数和(自身を除く): 14776402

約数列:

[1, 2, 5, 10, 431, 862, 2155, 4261, 4310, 8522, 21305, 42610, 1836491, 3672982, 9182455, 18364910]

約数ペア:

[(1, 18364910), (2, 9182455), (5, 3672982), (10, 1836491), (431, 42610), (862, 21305), (2155, 8522), (4261, 4310)]