18099320

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{6373}}^1$

素因数の和:6455

約数の個数: 32

約数和(自身を含む): 41303520

約数和(自身を除く): 23204200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 6373, 12746, 25492, 31865, 50984, 63730, 127460, 254920, 452483, 904966, 1809932, 2262415, 3619864, 4524830, 9049660, 18099320]

約数ペア:

[(1, 18099320), (2, 9049660), (4, 4524830), (5, 3619864), (8, 2262415), (10, 1809932), (20, 904966), (40, 452483), (71, 254920), (142, 127460), (284, 63730), (355, 50984), (568, 31865), (710, 25492), (1420, 12746), (2840, 6373)]