19774210

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{27851}}^1$

素因数の和:27929

約数の個数: 16

約数和(自身を含む): 36096192

約数和(自身を除く): 16321982

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 27851, 55702, 139255, 278510, 1977421, 3954842, 9887105, 19774210]

約数ペア:

[(1, 19774210), (2, 9887105), (5, 3954842), (10, 1977421), (71, 278510), (142, 139255), (355, 55702), (710, 27851)]