18891327

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{5323}}^1$

素因数の和:5359

約数の個数: 24

約数和(自身を含む): 31177344

約数和(自身を除く): 12286017

約数列:

[1, 3, 7, 13, 21, 39, 91, 169, 273, 507, 1183, 3549, 5323, 15969, 37261, 69199, 111783, 207597, 484393, 899587, 1453179, 2698761, 6297109, 18891327]

約数ペア:

[(1, 18891327), (3, 6297109), (7, 2698761), (13, 1453179), (21, 899587), (39, 484393), (91, 207597), (169, 111783), (273, 69199), (507, 37261), (1183, 15969), (3549, 5323)]