18848869

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{29}}^1\times {\mathrm{173}}^1$

素因数の和:249

約数の個数: 24

約数和(自身を含む): 22435560

約数和(自身を除く): 3586691

約数列:

[1, 13, 17, 29, 173, 221, 289, 377, 493, 2249, 2941, 3757, 5017, 6409, 8381, 38233, 49997, 65221, 85289, 108953, 649961, 1108757, 1449913, 18848869]

約数ペア:

[(1, 18848869), (13, 1449913), (17, 1108757), (29, 649961), (173, 108953), (221, 85289), (289, 65221), (377, 49997), (493, 38233), (2249, 8381), (2941, 6409), (3757, 5017)]