18988896899

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{521}}^1\times {\mathrm{226379}}^1$

素因数の和:226930

約数の個数: 16

約数和(自身を含む): 22688709120

約数和(自身を除く): 3699812221

約数列:

[1, 7, 23, 161, 521, 3647, 11983, 83881, 226379, 1584653, 5206717, 36447019, 117943459, 825604213, 2712699557, 18988896899]

約数ペア:

[(1, 18988896899), (7, 2712699557), (23, 825604213), (161, 117943459), (521, 36447019), (3647, 5206717), (11983, 1584653), (83881, 226379)]