19927240

素因数分解:

$2^3\times 5^1\times {\mathrm{498181}}^1$

素因数の和:498192

約数の個数: 16

約数和(自身を含む): 44836380

約数和(自身を除く): 24909140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 498181, 996362, 1992724, 2490905, 3985448, 4981810, 9963620, 19927240]

約数ペア:

[(1, 19927240), (2, 9963620), (4, 4981810), (5, 3985448), (8, 2490905), (10, 1992724), (20, 996362), (40, 498181)]