18723868

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{227}}^1\times {\mathrm{1213}}^1$

素因数の和:1461

約数の個数: 24

約数和(自身を含む): 34875792

約数和(自身を除く): 16151924

約数列:

[1, 2, 4, 17, 34, 68, 227, 454, 908, 1213, 2426, 3859, 4852, 7718, 15436, 20621, 41242, 82484, 275351, 550702, 1101404, 4680967, 9361934, 18723868]

約数ペア:

[(1, 18723868), (2, 9361934), (4, 4680967), (17, 1101404), (34, 550702), (68, 275351), (227, 82484), (454, 41242), (908, 20621), (1213, 15436), (2426, 7718), (3859, 4852)]