19726366

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{449}}^1\times {\mathrm{1997}}^1$

素因数の和:2459

約数の個数: 16

約数和(自身を含む): 32367600

約数和(自身を除く): 12641234

約数列:

[1, 2, 11, 22, 449, 898, 1997, 3994, 4939, 9878, 21967, 43934, 896653, 1793306, 9863183, 19726366]

約数ペア:

[(1, 19726366), (2, 9863183), (11, 1793306), (22, 896653), (449, 43934), (898, 21967), (1997, 9878), (3994, 4939)]