18809000

素因数分解:

$2^3\times 5^3\times 7^1\times {\mathrm{2687}}^1$

素因数の和:2715

約数の個数: 64

約数和(自身を含む): 50319360

約数和(自身を除く): 31510360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 125, 140, 175, 200, 250, 280, 350, 500, 700, 875, 1000, 1400, 1750, 2687, 3500, 5374, 7000, 10748, 13435, 18809, 21496, 26870, 37618, 53740, 67175, 75236, 94045, 107480, 134350, 150472, 188090, 268700, 335875, 376180, 470225, 537400, 671750, 752360, 940450, 1343500, 1880900, 2351125, 2687000, 3761800, 4702250, 9404500, 18809000]

約数ペア:

[(1, 18809000), (2, 9404500), (4, 4702250), (5, 3761800), (7, 2687000), (8, 2351125), (10, 1880900), (14, 1343500), (20, 940450), (25, 752360), (28, 671750), (35, 537400), (40, 470225), (50, 376180), (56, 335875), (70, 268700), (100, 188090), (125, 150472), (140, 134350), (175, 107480), (200, 94045), (250, 75236), (280, 67175), (350, 53740), (500, 37618), (700, 26870), (875, 21496), (1000, 18809), (1400, 13435), (1750, 10748), (2687, 7000), (3500, 5374)]