18709518708

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{430579}}^1$

素因数の和:430677

約数の個数: 72

約数和(自身を含む): 50780882880

約数和(自身を除く): 32071364172

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 68, 71, 102, 142, 153, 204, 213, 284, 306, 426, 612, 639, 852, 1207, 1278, 2414, 2556, 3621, 4828, 7242, 10863, 14484, 21726, 43452, 430579, 861158, 1291737, 1722316, 2583474, 3875211, 5166948, 7319843, 7750422, 14639686, 15500844, 21959529, 29279372, 30571109, 43919058, 61142218, 65878587, 87838116, 91713327, 122284436, 131757174, 183426654, 263514348, 275139981, 366853308, 519708853, 550279962, 1039417706, 1100559924, 1559126559, 2078835412, 3118253118, 4677379677, 6236506236, 9354759354, 18709518708]

約数ペア:

[(1, 18709518708), (2, 9354759354), (3, 6236506236), (4, 4677379677), (6, 3118253118), (9, 2078835412), (12, 1559126559), (17, 1100559924), (18, 1039417706), (34, 550279962), (36, 519708853), (51, 366853308), (68, 275139981), (71, 263514348), (102, 183426654), (142, 131757174), (153, 122284436), (204, 91713327), (213, 87838116), (284, 65878587), (306, 61142218), (426, 43919058), (612, 30571109), (639, 29279372), (852, 21959529), (1207, 15500844), (1278, 14639686), (2414, 7750422), (2556, 7319843), (3621, 5166948), (4828, 3875211), (7242, 2583474), (10863, 1722316), (14484, 1291737), (21726, 861158), (43452, 430579)]