19480892

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{2137}}^1$

素因数の和:2237

約数の個数: 24

約数和(自身を含む): 35559216

約数和(自身を除く): 16078324

約数列:

[1, 2, 4, 43, 53, 86, 106, 172, 212, 2137, 2279, 4274, 4558, 8548, 9116, 91891, 113261, 183782, 226522, 367564, 453044, 4870223, 9740446, 19480892]

約数ペア:

[(1, 19480892), (2, 9740446), (4, 4870223), (43, 453044), (53, 367564), (86, 226522), (106, 183782), (172, 113261), (212, 91891), (2137, 9116), (2279, 8548), (4274, 4558)]