18279998

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{1321}}^1$

素因数の和:1388

約数の個数: 32

約数和(自身を含む): 32552928

約数和(自身を除く): 14272930

約数列:

[1, 2, 11, 17, 22, 34, 37, 74, 187, 374, 407, 629, 814, 1258, 1321, 2642, 6919, 13838, 14531, 22457, 29062, 44914, 48877, 97754, 247027, 494054, 537647, 830909, 1075294, 1661818, 9139999, 18279998]

約数ペア:

[(1, 18279998), (2, 9139999), (11, 1661818), (17, 1075294), (22, 830909), (34, 537647), (37, 494054), (74, 247027), (187, 97754), (374, 48877), (407, 44914), (629, 29062), (814, 22457), (1258, 14531), (1321, 13838), (2642, 6919)]