18104075

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{1531}}^1$

素因数の和:1595

約数の個数: 24

約数和(自身を含む): 25075776

約数和(自身を除く): 6971701

約数列:

[1, 5, 11, 25, 43, 55, 215, 275, 473, 1075, 1531, 2365, 7655, 11825, 16841, 38275, 65833, 84205, 329165, 421025, 724163, 1645825, 3620815, 18104075]

約数ペア:

[(1, 18104075), (5, 3620815), (11, 1645825), (25, 724163), (43, 421025), (55, 329165), (215, 84205), (275, 65833), (473, 38275), (1075, 16841), (1531, 11825), (2365, 7655)]