18186800

素因数分解:

$2^4\times 5^2\times {\mathrm{19}}^1\times {\mathrm{2393}}^1$

素因数の和:2430

約数の個数: 60

約数和(自身を含む): 46012680

約数和(自身を除く): 27825880

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 38, 40, 50, 76, 80, 95, 100, 152, 190, 200, 304, 380, 400, 475, 760, 950, 1520, 1900, 2393, 3800, 4786, 7600, 9572, 11965, 19144, 23930, 38288, 45467, 47860, 59825, 90934, 95720, 119650, 181868, 191440, 227335, 239300, 363736, 454670, 478600, 727472, 909340, 957200, 1136675, 1818680, 2273350, 3637360, 4546700, 9093400, 18186800]

約数ペア:

[(1, 18186800), (2, 9093400), (4, 4546700), (5, 3637360), (8, 2273350), (10, 1818680), (16, 1136675), (19, 957200), (20, 909340), (25, 727472), (38, 478600), (40, 454670), (50, 363736), (76, 239300), (80, 227335), (95, 191440), (100, 181868), (152, 119650), (190, 95720), (200, 90934), (304, 59825), (380, 47860), (400, 45467), (475, 38288), (760, 23930), (950, 19144), (1520, 11965), (1900, 9572), (2393, 7600), (3800, 4786)]