18126155

素因数分解:

$5^1\times {\mathrm{79}}^1\times {\mathrm{109}}^1\times {\mathrm{421}}^1$

素因数の和:614

約数の個数: 16

約数和(自身を含む): 22281600

約数和(自身を除く): 4155445

約数列:

[1, 5, 79, 109, 395, 421, 545, 2105, 8611, 33259, 43055, 45889, 166295, 229445, 3625231, 18126155]

約数ペア:

[(1, 18126155), (5, 3625231), (79, 229445), (109, 166295), (395, 45889), (421, 43055), (545, 33259), (2105, 8611)]