18025820

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31079}}^1$

素因数の和:31117

約数の個数: 24

約数和(自身を含む): 39160800

約数和(自身を除く): 21134980

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 31079, 62158, 124316, 155395, 310790, 621580, 901291, 1802582, 3605164, 4506455, 9012910, 18025820]

約数ペア:

[(1, 18025820), (2, 9012910), (4, 4506455), (5, 3605164), (10, 1802582), (20, 901291), (29, 621580), (58, 310790), (116, 155395), (145, 124316), (290, 62158), (580, 31079)]