18098000

素因数分解:

$2^4\times 5^3\times {\mathrm{9049}}^1$

素因数の和:9072

約数の個数: 40

約数和(自身を含む): 43765800

約数和(自身を除く): 25667800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 1000, 2000, 9049, 18098, 36196, 45245, 72392, 90490, 144784, 180980, 226225, 361960, 452450, 723920, 904900, 1131125, 1809800, 2262250, 3619600, 4524500, 9049000, 18098000]

約数ペア:

[(1, 18098000), (2, 9049000), (4, 4524500), (5, 3619600), (8, 2262250), (10, 1809800), (16, 1131125), (20, 904900), (25, 723920), (40, 452450), (50, 361960), (80, 226225), (100, 180980), (125, 144784), (200, 90490), (250, 72392), (400, 45245), (500, 36196), (1000, 18098), (2000, 9049)]