18708870

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{14503}}^1$

素因数の和:14556

約数の個数: 32

約数和(自身を含む): 45948672

約数和(自身を除く): 27239802

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 43, 86, 129, 215, 258, 430, 645, 1290, 14503, 29006, 43509, 72515, 87018, 145030, 217545, 435090, 623629, 1247258, 1870887, 3118145, 3741774, 6236290, 9354435, 18708870]

約数ペア:

[(1, 18708870), (2, 9354435), (3, 6236290), (5, 3741774), (6, 3118145), (10, 1870887), (15, 1247258), (30, 623629), (43, 435090), (86, 217545), (129, 145030), (215, 87018), (258, 72515), (430, 43509), (645, 29006), (1290, 14503)]