19995295

素因数分解:

$5^1\times {\mathrm{79}}^1\times {\mathrm{223}}^1\times {\mathrm{227}}^1$

素因数の和:534

約数の個数: 16

約数和(自身を含む): 24514560

約数和(自身を除く): 4519265

約数列:

[1, 5, 79, 223, 227, 395, 1115, 1135, 17617, 17933, 50621, 88085, 89665, 253105, 3999059, 19995295]

約数ペア:

[(1, 19995295), (5, 3999059), (79, 253105), (223, 89665), (227, 88085), (395, 50621), (1115, 17933), (1135, 17617)]