19154960

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{21767}}^1$

素因数の和:21791

約数の個数: 40

約数和(自身を含む): 48586176

約数和(自身を除く): 29431216

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 21767, 43534, 87068, 108835, 174136, 217670, 239437, 348272, 435340, 478874, 870680, 957748, 1197185, 1741360, 1915496, 2394370, 3830992, 4788740, 9577480, 19154960]

約数ペア:

[(1, 19154960), (2, 9577480), (4, 4788740), (5, 3830992), (8, 2394370), (10, 1915496), (11, 1741360), (16, 1197185), (20, 957748), (22, 870680), (40, 478874), (44, 435340), (55, 348272), (80, 239437), (88, 217670), (110, 174136), (176, 108835), (220, 87068), (440, 43534), (880, 21767)]