19942660

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{9319}}^1$

素因数の和:9435

約数の個数: 24

約数和(自身を含む): 42275520

約数和(自身を除く): 22332860

約数列:

[1, 2, 4, 5, 10, 20, 107, 214, 428, 535, 1070, 2140, 9319, 18638, 37276, 46595, 93190, 186380, 997133, 1994266, 3988532, 4985665, 9971330, 19942660]

約数ペア:

[(1, 19942660), (2, 9971330), (4, 4985665), (5, 3988532), (10, 1994266), (20, 997133), (107, 186380), (214, 93190), (428, 46595), (535, 37276), (1070, 18638), (2140, 9319)]