18220787

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{2843}}^1$

素因数の和:2902

約数の個数: 16

約数和(自身を含む): 21500640

約数和(自身を除く): 3279853

約数列:

[1, 13, 17, 29, 221, 377, 493, 2843, 6409, 36959, 48331, 82447, 628303, 1071811, 1401599, 18220787]

約数ペア:

[(1, 18220787), (13, 1401599), (17, 1071811), (29, 628303), (221, 82447), (377, 48331), (493, 36959), (2843, 6409)]