19762790

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{18131}}^1$

素因数の和:18247

約数の個数: 16

約数和(自身を含む): 35901360

約数和(自身を除く): 16138570

約数列:

[1, 2, 5, 10, 109, 218, 545, 1090, 18131, 36262, 90655, 181310, 1976279, 3952558, 9881395, 19762790]

約数ペア:

[(1, 19762790), (2, 9881395), (5, 3952558), (10, 1976279), (109, 181310), (218, 90655), (545, 36262), (1090, 18131)]