19874404

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{451691}}^1$

素因数の和:451706

約数の個数: 12

約数和(自身を含む): 37942128

約数和(自身を除く): 18067724

約数列:

[1, 2, 4, 11, 22, 44, 451691, 903382, 1806764, 4968601, 9937202, 19874404]

約数ペア:

[(1, 19874404), (2, 9937202), (4, 4968601), (11, 1806764), (22, 903382), (44, 451691)]