18415240

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{14851}}^1$

素因数の和:14893

約数の個数: 32

約数和(自身を含む): 42773760

約数和(自身を除く): 24358520

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 14851, 29702, 59404, 74255, 118808, 148510, 297020, 460381, 594040, 920762, 1841524, 2301905, 3683048, 4603810, 9207620, 18415240]

約数ペア:

[(1, 18415240), (2, 9207620), (4, 4603810), (5, 3683048), (8, 2301905), (10, 1841524), (20, 920762), (31, 594040), (40, 460381), (62, 297020), (124, 148510), (155, 118808), (248, 74255), (310, 59404), (620, 29702), (1240, 14851)]