18496615

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{2539}}^1$

素因数の和:2622

約数の個数: 16

約数和(自身を含む): 23408640

約数和(自身を除く): 4912025

約数列:

[1, 5, 31, 47, 155, 235, 1457, 2539, 7285, 12695, 78709, 119333, 393545, 596665, 3699323, 18496615]

約数ペア:

[(1, 18496615), (5, 3699323), (31, 596665), (47, 393545), (155, 119333), (235, 78709), (1457, 12695), (2539, 7285)]