19982842

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{881}}^1\times {\mathrm{1031}}^1$

素因数の和:1925

約数の個数: 16

約数和(自身を含む): 32768064

約数和(自身を除く): 12785222

約数列:

[1, 2, 11, 22, 881, 1031, 1762, 2062, 9691, 11341, 19382, 22682, 908311, 1816622, 9991421, 19982842]

約数ペア:

[(1, 19982842), (2, 9991421), (11, 1816622), (22, 908311), (881, 22682), (1031, 19382), (1762, 11341), (2062, 9691)]