19812191

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{5741}}^1$

素因数の和:5794

約数の個数: 16

約数和(自身を含む): 24805440

約数和(自身を除く): 4993249

約数列:

[1, 7, 17, 29, 119, 203, 493, 3451, 5741, 40187, 97597, 166489, 683179, 1165423, 2830313, 19812191]

約数ペア:

[(1, 19812191), (7, 2830313), (17, 1165423), (29, 683179), (119, 166489), (203, 97597), (493, 40187), (3451, 5741)]