18804519939

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{107}}^1\times {\mathrm{163}}^1\times {\mathrm{6781}}^1$

素因数の和:7107

約数の個数: 32

約数和(自身を含む): 25946521344

約数和(自身を除く): 7142001405

約数列:

[1, 3, 53, 107, 159, 163, 321, 489, 5671, 6781, 8639, 17013, 17441, 20343, 25917, 52323, 359393, 725567, 924373, 1078179, 1105303, 2176701, 2773119, 3315909, 38455051, 58581059, 115365153, 118267421, 175743177, 354802263, 6268173313, 18804519939]

約数ペア:

[(1, 18804519939), (3, 6268173313), (53, 354802263), (107, 175743177), (159, 118267421), (163, 115365153), (321, 58581059), (489, 38455051), (5671, 3315909), (6781, 2773119), (8639, 2176701), (17013, 1105303), (17441, 1078179), (20343, 924373), (25917, 725567), (52323, 359393)]