18912959

素因数分解:

${\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{227}}^1$

素因数の和:299

約数の個数: 24

約数和(自身を含む): 22530960

約数和(自身を除く): 3618001

約数列:

[1, 13, 17, 29, 169, 221, 227, 377, 493, 2873, 2951, 3859, 4901, 6409, 6583, 38363, 50167, 83317, 85579, 111911, 652171, 1112527, 1454843, 18912959]

約数ペア:

[(1, 18912959), (13, 1454843), (17, 1112527), (29, 652171), (169, 111911), (221, 85579), (227, 83317), (377, 50167), (493, 38363), (2873, 6583), (2951, 6409), (3859, 4901)]