19215740

素因数分解:

$2^2\times 5^1\times {\mathrm{337}}^1\times {\mathrm{2851}}^1$

素因数の和:3197

約数の個数: 24

約数和(自身を含む): 40486992

約数和(自身を除く): 21271252

約数列:

[1, 2, 4, 5, 10, 20, 337, 674, 1348, 1685, 2851, 3370, 5702, 6740, 11404, 14255, 28510, 57020, 960787, 1921574, 3843148, 4803935, 9607870, 19215740]

約数ペア:

[(1, 19215740), (2, 9607870), (4, 4803935), (5, 3843148), (10, 1921574), (20, 960787), (337, 57020), (674, 28510), (1348, 14255), (1685, 11404), (2851, 6740), (3370, 5702)]