18267717

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{137}}^1\times {\mathrm{263}}^1$

素因数の和:429

約数の個数: 24

約数和(自身を含む): 26668224

約数和(自身を除く): 8400507

約数列:

[1, 3, 13, 39, 137, 169, 263, 411, 507, 789, 1781, 3419, 5343, 10257, 23153, 36031, 44447, 69459, 108093, 133341, 468403, 1405209, 6089239, 18267717]

約数ペア:

[(1, 18267717), (3, 6089239), (13, 1405209), (39, 468403), (137, 133341), (169, 108093), (263, 69459), (411, 44447), (507, 36031), (789, 23153), (1781, 10257), (3419, 5343)]