18980493862

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{20063947}}^1$

素因数の和:20064003

約数の個数: 16

約数和(自身を含む): 31781293632

約数和(自身を除く): 12800799770

約数列:

[1, 2, 11, 22, 43, 86, 473, 946, 20063947, 40127894, 220703417, 441406834, 862749721, 1725499442, 9490246931, 18980493862]

約数ペア:

[(1, 18980493862), (2, 9490246931), (11, 1725499442), (22, 862749721), (43, 441406834), (86, 220703417), (473, 40127894), (946, 20063947)]