18187000

素因数分解:

$2^3\times 5^3\times {\mathrm{13}}^1\times {\mathrm{1399}}^1$

素因数の和:1433

約数の個数: 64

約数和(自身を含む): 45864000

約数和(自身を除く): 27677000

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 125, 130, 200, 250, 260, 325, 500, 520, 650, 1000, 1300, 1399, 1625, 2600, 2798, 3250, 5596, 6500, 6995, 11192, 13000, 13990, 18187, 27980, 34975, 36374, 55960, 69950, 72748, 90935, 139900, 145496, 174875, 181870, 279800, 349750, 363740, 454675, 699500, 727480, 909350, 1399000, 1818700, 2273375, 3637400, 4546750, 9093500, 18187000]

約数ペア:

[(1, 18187000), (2, 9093500), (4, 4546750), (5, 3637400), (8, 2273375), (10, 1818700), (13, 1399000), (20, 909350), (25, 727480), (26, 699500), (40, 454675), (50, 363740), (52, 349750), (65, 279800), (100, 181870), (104, 174875), (125, 145496), (130, 139900), (200, 90935), (250, 72748), (260, 69950), (325, 55960), (500, 36374), (520, 34975), (650, 27980), (1000, 18187), (1300, 13990), (1399, 13000), (1625, 11192), (2600, 6995), (2798, 6500), (3250, 5596)]