18394550

素因数分解:

$2^1\times 5^2\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{163}}^1$

素因数の和:273

約数の個数: 48

約数和(自身を含む): 35933712

約数和(自身を除く): 17539162

約数列:

[1, 2, 5, 10, 25, 37, 50, 61, 74, 122, 163, 185, 305, 326, 370, 610, 815, 925, 1525, 1630, 1850, 2257, 3050, 4075, 4514, 6031, 8150, 9943, 11285, 12062, 19886, 22570, 30155, 49715, 56425, 60310, 99430, 112850, 150775, 248575, 301550, 367891, 497150, 735782, 1839455, 3678910, 9197275, 18394550]

約数ペア:

[(1, 18394550), (2, 9197275), (5, 3678910), (10, 1839455), (25, 735782), (37, 497150), (50, 367891), (61, 301550), (74, 248575), (122, 150775), (163, 112850), (185, 99430), (305, 60310), (326, 56425), (370, 49715), (610, 30155), (815, 22570), (925, 19886), (1525, 12062), (1630, 11285), (1850, 9943), (2257, 8150), (3050, 6031), (4075, 4514)]