15989564

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{3449}}^1$

素因数の和:3533

約数の個数: 24

約数和(自身を含む): 29946000

約数和(自身を除く): 13956436

約数列:

[1, 2, 4, 19, 38, 61, 76, 122, 244, 1159, 2318, 3449, 4636, 6898, 13796, 65531, 131062, 210389, 262124, 420778, 841556, 3997391, 7994782, 15989564]

約数ペア:

[(1, 15989564), (2, 7994782), (4, 3997391), (19, 841556), (38, 420778), (61, 262124), (76, 210389), (122, 131062), (244, 65531), (1159, 13796), (2318, 6898), (3449, 4636)]