19786492

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{449693}}^1$

素因数の和:449708

約数の個数: 12

約数和(自身を含む): 37774296

約数和(自身を除く): 17987804

約数列:

[1, 2, 4, 11, 22, 44, 449693, 899386, 1798772, 4946623, 9893246, 19786492]

約数ペア:

[(1, 19786492), (2, 9893246), (4, 4946623), (11, 1798772), (22, 899386), (44, 449693)]