198490490

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1804459}}^1$

素因数の和:1804477

約数の個数: 16

約数和(自身を含む): 389763360

約数和(自身を除く): 191272870

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 1804459, 3608918, 9022295, 18044590, 19849049, 39698098, 99245245, 198490490]

約数ペア:

[(1, 198490490), (2, 99245245), (5, 39698098), (10, 19849049), (11, 18044590), (22, 9022295), (55, 3608918), (110, 1804459)]