19311620

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{7603}}^1$

素因数の和:7739

約数の個数: 24

約数和(自身を含む): 40879104

約数和(自身を除く): 21567484

約数列:

[1, 2, 4, 5, 10, 20, 127, 254, 508, 635, 1270, 2540, 7603, 15206, 30412, 38015, 76030, 152060, 965581, 1931162, 3862324, 4827905, 9655810, 19311620]

約数ペア:

[(1, 19311620), (2, 9655810), (4, 4827905), (5, 3862324), (10, 1931162), (20, 965581), (127, 152060), (254, 76030), (508, 38015), (635, 30412), (1270, 15206), (2540, 7603)]