20189917432

素因数分解:

$2^3\times {\mathrm{487}}^1\times {\mathrm{5182217}}^1$

素因数の和:5182710

約数の個数: 16

約数和(自身を含む): 37933835760

約数和(自身を除く): 17743918328

約数列:

[1, 2, 4, 8, 487, 974, 1948, 3896, 5182217, 10364434, 20728868, 41457736, 2523739679, 5047479358, 10094958716, 20189917432]

約数ペア:

[(1, 20189917432), (2, 10094958716), (4, 5047479358), (8, 2523739679), (487, 41457736), (974, 20728868), (1948, 10364434), (3896, 5182217)]