20199368654

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{2129}}^1\times {\mathrm{249677}}^1$

素因数の和:251827

約数の個数: 16

約数和(自身を含む): 31908848400

約数和(自身を除く): 11709479746

約数列:

[1, 2, 19, 38, 2129, 4258, 40451, 80902, 249677, 499354, 4743863, 9487726, 531562333, 1063124666, 10099684327, 20199368654]

約数ペア:

[(1, 20199368654), (2, 10099684327), (19, 1063124666), (38, 531562333), (2129, 9487726), (4258, 4743863), (40451, 499354), (80902, 249677)]