19889188

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{452027}}^1$

素因数の和:452042

約数の個数: 12

約数和(自身を含む): 37970352

約数和(自身を除く): 18081164

約数列:

[1, 2, 4, 11, 22, 44, 452027, 904054, 1808108, 4972297, 9944594, 19889188]

約数ペア:

[(1, 19889188), (2, 9944594), (4, 4972297), (11, 1808108), (22, 904054), (44, 452027)]