18126595

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{839}}^1$

素因数の和:1022

約数の個数: 16

約数和(自身を含む): 22680000

約数和(自身を除く): 4553405

約数列:

[1, 5, 29, 145, 149, 745, 839, 4195, 4321, 21605, 24331, 121655, 125011, 625055, 3625319, 18126595]

約数ペア:

[(1, 18126595), (5, 3625319), (29, 625055), (145, 125011), (149, 121655), (745, 24331), (839, 21605), (4195, 4321)]