19895995

素因数分解:

$5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{5519}}^1$

素因数の和:5634

約数の個数: 16

約数和(自身を含む): 27555840

約数和(自身を除く): 7659845

約数列:

[1, 5, 7, 35, 103, 515, 721, 3605, 5519, 27595, 38633, 193165, 568457, 2842285, 3979199, 19895995]

約数ペア:

[(1, 19895995), (5, 3979199), (7, 2842285), (35, 568457), (103, 193165), (515, 38633), (721, 27595), (3605, 5519)]