19625240

素因数分解:

$2^3\times 5^1\times {\mathrm{490631}}^1$

素因数の和:490642

約数の個数: 16

約数和(自身を含む): 44156880

約数和(自身を除く): 24531640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 490631, 981262, 1962524, 2453155, 3925048, 4906310, 9812620, 19625240]

約数ペア:

[(1, 19625240), (2, 9812620), (4, 4906310), (5, 3925048), (8, 2453155), (10, 1962524), (20, 981262), (40, 490631)]