19879588

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{2819}}^1$

素因数の和:2907

約数の個数: 24

約数和(自身を含む): 36479520

約数和(自身を除く): 16599932

約数列:

[1, 2, 4, 41, 43, 82, 86, 164, 172, 1763, 2819, 3526, 5638, 7052, 11276, 115579, 121217, 231158, 242434, 462316, 484868, 4969897, 9939794, 19879588]

約数ペア:

[(1, 19879588), (2, 9939794), (4, 4969897), (41, 484868), (43, 462316), (82, 242434), (86, 231158), (164, 121217), (172, 115579), (1763, 11276), (2819, 7052), (3526, 5638)]