18218525

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{1933}}^1$

素因数の和:1985

約数の個数: 24

約数和(自身を含む): 25180680

約数和(自身を除く): 6962155

約数列:

[1, 5, 13, 25, 29, 65, 145, 325, 377, 725, 1885, 1933, 9425, 9665, 25129, 48325, 56057, 125645, 280285, 628225, 728741, 1401425, 3643705, 18218525]

約数ペア:

[(1, 18218525), (5, 3643705), (13, 1401425), (25, 728741), (29, 628225), (65, 280285), (145, 125645), (325, 56057), (377, 48325), (725, 25129), (1885, 9665), (1933, 9425)]