19843604

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{450991}}^1$

素因数の和:451006

約数の個数: 12

約数和(自身を含む): 37883328

約数和(自身を除く): 18039724

約数列:

[1, 2, 4, 11, 22, 44, 450991, 901982, 1803964, 4960901, 9921802, 19843604]

約数ペア:

[(1, 19843604), (2, 9921802), (4, 4960901), (11, 1803964), (22, 901982), (44, 450991)]