19999782

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{101009}}^1$

素因数の和:101028

約数の個数: 24

約数和(自身を含む): 47272680

約数和(自身を除く): 27272898

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 198, 101009, 202018, 303027, 606054, 909081, 1111099, 1818162, 2222198, 3333297, 6666594, 9999891, 19999782]

約数ペア:

[(1, 19999782), (2, 9999891), (3, 6666594), (6, 3333297), (9, 2222198), (11, 1818162), (18, 1111099), (22, 909081), (33, 606054), (66, 303027), (99, 202018), (198, 101009)]