2001978

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{10111}}^1$

素因数の和:10130

約数の個数: 24

約数和(自身を含む): 4732416

約数和(自身を除く): 2730438

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 198, 10111, 20222, 30333, 60666, 90999, 111221, 181998, 222442, 333663, 667326, 1000989, 2001978]

約数ペア:

[(1, 2001978), (2, 1000989), (3, 667326), (6, 333663), (9, 222442), (11, 181998), (18, 111221), (22, 90999), (33, 60666), (66, 30333), (99, 20222), (198, 10111)]