18289100

素因数分解:

$2^2\times 5^2\times {\mathrm{37}}^1\times {\mathrm{4943}}^1$

素因数の和:4994

約数の個数: 36

約数和(自身を含む): 40768224

約数和(自身を除く): 22479124

約数列:

[1, 2, 4, 5, 10, 20, 25, 37, 50, 74, 100, 148, 185, 370, 740, 925, 1850, 3700, 4943, 9886, 19772, 24715, 49430, 98860, 123575, 182891, 247150, 365782, 494300, 731564, 914455, 1828910, 3657820, 4572275, 9144550, 18289100]

約数ペア:

[(1, 18289100), (2, 9144550), (4, 4572275), (5, 3657820), (10, 1828910), (20, 914455), (25, 731564), (37, 494300), (50, 365782), (74, 247150), (100, 182891), (148, 123575), (185, 98860), (370, 49430), (740, 24715), (925, 19772), (1850, 9886), (3700, 4943)]