18486172

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{239}}^1\times {\mathrm{317}}^1$

素因数の和:621

約数の個数: 24

約数和(自身を含む): 33122880

約数和(自身を除く): 14636708

約数列:

[1, 2, 4, 61, 122, 239, 244, 317, 478, 634, 956, 1268, 14579, 19337, 29158, 38674, 58316, 75763, 77348, 151526, 303052, 4621543, 9243086, 18486172]

約数ペア:

[(1, 18486172), (2, 9243086), (4, 4621543), (61, 303052), (122, 151526), (239, 77348), (244, 75763), (317, 58316), (478, 38674), (634, 29158), (956, 19337), (1268, 14579)]