19541660

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{20789}}^1$

素因数の和:20845

約数の個数: 24

約数和(自身を含む): 41912640

約数和(自身を除く): 22370980

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 940, 20789, 41578, 83156, 103945, 207890, 415780, 977083, 1954166, 3908332, 4885415, 9770830, 19541660]

約数ペア:

[(1, 19541660), (2, 9770830), (4, 4885415), (5, 3908332), (10, 1954166), (20, 977083), (47, 415780), (94, 207890), (188, 103945), (235, 83156), (470, 41578), (940, 20789)]