19832080

素因数分解:

$2^4\times 5^1\times {\mathrm{247901}}^1$

素因数の和:247914

約数の個数: 20

約数和(自身を含む): 46109772

約数和(自身を除く): 26277692

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 247901, 495802, 991604, 1239505, 1983208, 2479010, 3966416, 4958020, 9916040, 19832080]

約数ペア:

[(1, 19832080), (2, 9916040), (4, 4958020), (5, 3966416), (8, 2479010), (10, 1983208), (16, 1239505), (20, 991604), (40, 495802), (80, 247901)]