19544740

素因数分解:

$2^2\times 5^1\times {\mathrm{401}}^1\times {\mathrm{2437}}^1$

素因数の和:2847

約数の個数: 24

約数和(自身を含む): 41163192

約数和(自身を除く): 21618452

約数列:

[1, 2, 4, 5, 10, 20, 401, 802, 1604, 2005, 2437, 4010, 4874, 8020, 9748, 12185, 24370, 48740, 977237, 1954474, 3908948, 4886185, 9772370, 19544740]

約数ペア:

[(1, 19544740), (2, 9772370), (4, 4886185), (5, 3908948), (10, 1954474), (20, 977237), (401, 48740), (802, 24370), (1604, 12185), (2005, 9748), (2437, 8020), (4010, 4874)]