2190803978

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{9052909}}^1$

素因数の和:9052933

約数の個数: 12

約数和(自身を含む): 3612111090

約数和(自身を除く): 1421307112

約数列:

[1, 2, 11, 22, 121, 242, 9052909, 18105818, 99581999, 199163998, 1095401989, 2190803978]

約数ペア:

[(1, 2190803978), (2, 1095401989), (11, 199163998), (22, 99581999), (121, 18105818), (242, 9052909)]