15999805

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{9907}}^1$

素因数の和:9948

約数の個数: 16

約数和(自身を含む): 21401280

約数和(自身を除く): 5401475

約数列:

[1, 5, 17, 19, 85, 95, 323, 1615, 9907, 49535, 168419, 188233, 842095, 941165, 3199961, 15999805]

約数ペア:

[(1, 15999805), (5, 3199961), (17, 941165), (19, 842095), (85, 188233), (95, 168419), (323, 49535), (1615, 9907)]