18498940

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{29837}}^1$

素因数の和:29877

約数の個数: 24

約数和(自身を含む): 40102272

約数和(自身を除く): 21603332

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 29837, 59674, 119348, 149185, 298370, 596740, 924947, 1849894, 3699788, 4624735, 9249470, 18498940]

約数ペア:

[(1, 18498940), (2, 9249470), (4, 4624735), (5, 3699788), (10, 1849894), (20, 924947), (31, 596740), (62, 298370), (124, 149185), (155, 119348), (310, 59674), (620, 29837)]