2018190220

素因数分解:

$2^2\times 5^1\times {\mathrm{349}}^1\times {\mathrm{289139}}^1$

素因数の和:289497

約数の個数: 24

約数和(自身を含む): 4250358000

約数和(自身を除く): 2232167780

約数列:

[1, 2, 4, 5, 10, 20, 349, 698, 1396, 1745, 3490, 6980, 289139, 578278, 1156556, 1445695, 2891390, 5782780, 100909511, 201819022, 403638044, 504547555, 1009095110, 2018190220]

約数ペア:

[(1, 2018190220), (2, 1009095110), (4, 504547555), (5, 403638044), (10, 201819022), (20, 100909511), (349, 5782780), (698, 2891390), (1396, 1445695), (1745, 1156556), (3490, 578278), (6980, 289139)]