18986200

素因数分解:

$2^3\times 5^2\times {\mathrm{59}}^1\times {\mathrm{1609}}^1$

素因数の和:1684

約数の個数: 48

約数和(自身を含む): 44919000

約数和(自身を除く): 25932800

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 59, 100, 118, 200, 236, 295, 472, 590, 1180, 1475, 1609, 2360, 2950, 3218, 5900, 6436, 8045, 11800, 12872, 16090, 32180, 40225, 64360, 80450, 94931, 160900, 189862, 321800, 379724, 474655, 759448, 949310, 1898620, 2373275, 3797240, 4746550, 9493100, 18986200]

約数ペア:

[(1, 18986200), (2, 9493100), (4, 4746550), (5, 3797240), (8, 2373275), (10, 1898620), (20, 949310), (25, 759448), (40, 474655), (50, 379724), (59, 321800), (100, 189862), (118, 160900), (200, 94931), (236, 80450), (295, 64360), (472, 40225), (590, 32180), (1180, 16090), (1475, 12872), (1609, 11800), (2360, 8045), (2950, 6436), (3218, 5900)]