18874503

素因数分解:

$3^2\times {\mathrm{67}}^1\times {\mathrm{113}}^1\times {\mathrm{277}}^1$

素因数の和:463

約数の個数: 24

約数和(自身を含む): 28015728

約数和(自身を除く): 9141225

約数列:

[1, 3, 9, 67, 113, 201, 277, 339, 603, 831, 1017, 2493, 7571, 18559, 22713, 31301, 55677, 68139, 93903, 167031, 281709, 2097167, 6291501, 18874503]

約数ペア:

[(1, 18874503), (3, 6291501), (9, 2097167), (67, 281709), (113, 167031), (201, 93903), (277, 68139), (339, 55677), (603, 31301), (831, 22713), (1017, 18559), (2493, 7571)]