18740579

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{593}}^1$

素因数の和:647

約数の個数: 24

約数和(自身を含む): 23479632

約数和(自身を除く): 4739053

約数列:

[1, 11, 13, 17, 143, 169, 187, 221, 593, 1859, 2431, 2873, 6523, 7709, 10081, 31603, 84799, 100217, 110891, 131053, 1102387, 1441583, 1703689, 18740579]

約数ペア:

[(1, 18740579), (11, 1703689), (13, 1441583), (17, 1102387), (143, 131053), (169, 110891), (187, 100217), (221, 84799), (593, 31603), (1859, 10081), (2431, 7709), (2873, 6523)]