19504804

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{443291}}^1$

素因数の和:443306

約数の個数: 12

約数和(自身を含む): 37236528

約数和(自身を除く): 17731724

約数列:

[1, 2, 4, 11, 22, 44, 443291, 886582, 1773164, 4876201, 9752402, 19504804]

約数ペア:

[(1, 19504804), (2, 9752402), (4, 4876201), (11, 1773164), (22, 886582), (44, 443291)]