18460355

素因数分解:

$5^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1\times {\mathrm{349}}^1$

素因数の和:574

約数の個数: 16

約数和(自身を含む): 22680000

約数和(自身を除く): 4219645

約数列:

[1, 5, 71, 149, 349, 355, 745, 1745, 10579, 24779, 52001, 52895, 123895, 260005, 3692071, 18460355]

約数ペア:

[(1, 18460355), (5, 3692071), (71, 260005), (149, 123895), (349, 52895), (355, 52001), (745, 24779), (1745, 10579)]