18872660

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{8819}}^1$

素因数の和:8935

約数の個数: 24

約数和(自身を含む): 40007520

約数和(自身を除く): 21134860

約数列:

[1, 2, 4, 5, 10, 20, 107, 214, 428, 535, 1070, 2140, 8819, 17638, 35276, 44095, 88190, 176380, 943633, 1887266, 3774532, 4718165, 9436330, 18872660]

約数ペア:

[(1, 18872660), (2, 9436330), (4, 4718165), (5, 3774532), (10, 1887266), (20, 943633), (107, 176380), (214, 88190), (428, 44095), (535, 35276), (1070, 17638), (2140, 8819)]