19491604

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{442991}}^1$

素因数の和:443006

約数の個数: 12

約数和(自身を含む): 37211328

約数和(自身を除く): 17719724

約数列:

[1, 2, 4, 11, 22, 44, 442991, 885982, 1771964, 4872901, 9745802, 19491604]

約数ペア:

[(1, 19491604), (2, 9745802), (4, 4872901), (11, 1771964), (22, 885982), (44, 442991)]