1891986608

素因数分解:

$2^4\times {\mathrm{5431}}^1\times {\mathrm{21773}}^1$

素因数の和:27212

約数の個数: 20

約数和(自身を含む): 3666567408

約数和(自身を除く): 1774580800

約数列:

[1, 2, 4, 8, 16, 5431, 10862, 21724, 21773, 43448, 43546, 86896, 87092, 174184, 348368, 118249163, 236498326, 472996652, 945993304, 1891986608]

約数ペア:

[(1, 1891986608), (2, 945993304), (4, 472996652), (8, 236498326), (16, 118249163), (5431, 348368), (10862, 174184), (21724, 87092), (21773, 86896), (43448, 43546)]