18804350

素因数分解:

$2^1\times 5^2\times {\mathrm{71}}^1\times {\mathrm{5297}}^1$

素因数の和:5380

約数の個数: 24

約数和(自身を含む): 35475408

約数和(自身を除く): 16671058

約数列:

[1, 2, 5, 10, 25, 50, 71, 142, 355, 710, 1775, 3550, 5297, 10594, 26485, 52970, 132425, 264850, 376087, 752174, 1880435, 3760870, 9402175, 18804350]

約数ペア:

[(1, 18804350), (2, 9402175), (5, 3760870), (10, 1880435), (25, 752174), (50, 376087), (71, 264850), (142, 132425), (355, 52970), (710, 26485), (1775, 10594), (3550, 5297)]