18891569247

素因数分解:

$3^1\times {\mathrm{89}}^1\times {\mathrm{179}}^1\times {\mathrm{277}}^1\times {\mathrm{1427}}^1$

素因数の和:1975

約数の個数: 32

約数和(自身を含む): 25724563200

約数和(自身を除く): 6832993953

約数列:

[1, 3, 89, 179, 267, 277, 537, 831, 1427, 4281, 15931, 24653, 47793, 49583, 73959, 127003, 148749, 255433, 381009, 395279, 766299, 1185837, 4412887, 13238661, 22733537, 35179831, 68200611, 70754941, 105539493, 212264823, 6297189749, 18891569247]

約数ペア:

[(1, 18891569247), (3, 6297189749), (89, 212264823), (179, 105539493), (267, 70754941), (277, 68200611), (537, 35179831), (831, 22733537), (1427, 13238661), (4281, 4412887), (15931, 1185837), (24653, 766299), (47793, 395279), (49583, 381009), (73959, 255433), (127003, 148749)]