18061220

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{29131}}^1$

素因数の和:29171

約数の個数: 24

約数和(自身を含む): 39153408

約数和(自身を除く): 21092188

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 29131, 58262, 116524, 145655, 291310, 582620, 903061, 1806122, 3612244, 4515305, 9030610, 18061220]

約数ペア:

[(1, 18061220), (2, 9030610), (4, 4515305), (5, 3612244), (10, 1806122), (20, 903061), (31, 582620), (62, 291310), (124, 145655), (155, 116524), (310, 58262), (620, 29131)]