18218800

素因数分解:

$2^4\times 5^2\times {\mathrm{37}}^1\times {\mathrm{1231}}^1$

素因数の和:1286

約数の個数: 60

約数和(自身を含む): 44990176

約数和(自身を除く): 26771376

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 37, 40, 50, 74, 80, 100, 148, 185, 200, 296, 370, 400, 592, 740, 925, 1231, 1480, 1850, 2462, 2960, 3700, 4924, 6155, 7400, 9848, 12310, 14800, 19696, 24620, 30775, 45547, 49240, 61550, 91094, 98480, 123100, 182188, 227735, 246200, 364376, 455470, 492400, 728752, 910940, 1138675, 1821880, 2277350, 3643760, 4554700, 9109400, 18218800]

約数ペア:

[(1, 18218800), (2, 9109400), (4, 4554700), (5, 3643760), (8, 2277350), (10, 1821880), (16, 1138675), (20, 910940), (25, 728752), (37, 492400), (40, 455470), (50, 364376), (74, 246200), (80, 227735), (100, 182188), (148, 123100), (185, 98480), (200, 91094), (296, 61550), (370, 49240), (400, 45547), (592, 30775), (740, 24620), (925, 19696), (1231, 14800), (1480, 12310), (1850, 9848), (2462, 7400), (2960, 6155), (3700, 4924)]