2019949315

素因数分解:

$5^1\times {\mathrm{47}}^1\times {\mathrm{443}}^1\times {\mathrm{19403}}^1$

素因数の和:19898

約数の個数: 16

約数和(自身を含む): 2481228288

約数和(自身を除く): 461278973

約数列:

[1, 5, 47, 235, 443, 2215, 19403, 20821, 97015, 104105, 911941, 4559705, 8595529, 42977645, 403989863, 2019949315]

約数ペア:

[(1, 2019949315), (5, 403989863), (47, 42977645), (235, 8595529), (443, 4559705), (2215, 911941), (19403, 104105), (20821, 97015)]