19503970

素因数分解:

$2^1\times 5^1\times {\mathrm{1009}}^1\times {\mathrm{1933}}^1$

素因数の和:2949

約数の個数: 16

約数和(自身を含む): 35160120

約数和(自身を除く): 15656150

約数列:

[1, 2, 5, 10, 1009, 1933, 2018, 3866, 5045, 9665, 10090, 19330, 1950397, 3900794, 9751985, 19503970]

約数ペア:

[(1, 19503970), (2, 9751985), (5, 3900794), (10, 1950397), (1009, 19330), (1933, 10090), (2018, 9665), (3866, 5045)]