18402475

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{8089}}^1$

素因数の和:8119

約数の個数: 24

約数和(自身を含む): 28088480

約数和(自身を除く): 9686005

約数列:

[1, 5, 7, 13, 25, 35, 65, 91, 175, 325, 455, 2275, 8089, 40445, 56623, 105157, 202225, 283115, 525785, 736099, 1415575, 2628925, 3680495, 18402475]

約数ペア:

[(1, 18402475), (5, 3680495), (7, 2628925), (13, 1415575), (25, 736099), (35, 525785), (65, 283115), (91, 202225), (175, 105157), (325, 56623), (455, 40445), (2275, 8089)]