19823215

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1\times {\mathrm{673}}^1$

素因数の和:858

約数の個数: 16

約数和(自身を含む): 24555168

約数和(自身を除く): 4731953

約数列:

[1, 5, 43, 137, 215, 673, 685, 3365, 5891, 28939, 29455, 92201, 144695, 461005, 3964643, 19823215]

約数ペア:

[(1, 19823215), (5, 3964643), (43, 461005), (137, 144695), (215, 92201), (673, 29455), (685, 28939), (3365, 5891)]