19592080

素因数分解:

$2^4\times 5^1\times {\mathrm{244901}}^1$

素因数の和:244914

約数の個数: 20

約数和(自身を含む): 45551772

約数和(自身を除く): 25959692

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 244901, 489802, 979604, 1224505, 1959208, 2449010, 3918416, 4898020, 9796040, 19592080]

約数ペア:

[(1, 19592080), (2, 9796040), (4, 4898020), (5, 3918416), (8, 2449010), (10, 1959208), (16, 1224505), (20, 979604), (40, 489802), (80, 244901)]