18705460

素因数分解:

$2^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{6277}}^1$

素因数の和:6435

約数の個数: 24

約数和(自身を含む): 39551400

約数和(自身を除く): 20845940

約数列:

[1, 2, 4, 5, 10, 20, 149, 298, 596, 745, 1490, 2980, 6277, 12554, 25108, 31385, 62770, 125540, 935273, 1870546, 3741092, 4676365, 9352730, 18705460]

約数ペア:

[(1, 18705460), (2, 9352730), (4, 4676365), (5, 3741092), (10, 1870546), (20, 935273), (149, 125540), (298, 62770), (596, 31385), (745, 25108), (1490, 12554), (2980, 6277)]