19857056

素因数分解:

$2^5\times {\mathrm{43}}^1\times {\mathrm{14431}}^1$

素因数の和:14484

約数の個数: 24

約数和(自身を含む): 40005504

約数和(自身を除く): 20148448

約数列:

[1, 2, 4, 8, 16, 32, 43, 86, 172, 344, 688, 1376, 14431, 28862, 57724, 115448, 230896, 461792, 620533, 1241066, 2482132, 4964264, 9928528, 19857056]

約数ペア:

[(1, 19857056), (2, 9928528), (4, 4964264), (8, 2482132), (16, 1241066), (32, 620533), (43, 461792), (86, 230896), (172, 115448), (344, 57724), (688, 28862), (1376, 14431)]