19322251

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{37}}^1\times {\mathrm{139}}^1$

素因数の和:223

約数の個数: 24

約数和(自身を含む): 22865360

約数和(自身を除く): 3543109

約数列:

[1, 13, 17, 37, 139, 221, 289, 481, 629, 1807, 2363, 3757, 5143, 8177, 10693, 30719, 40171, 66859, 87431, 139009, 522223, 1136603, 1486327, 19322251]

約数ペア:

[(1, 19322251), (13, 1486327), (17, 1136603), (37, 522223), (139, 139009), (221, 87431), (289, 66859), (481, 40171), (629, 30719), (1807, 10693), (2363, 8177), (3757, 5143)]