19942191

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{839}}^1$

素因数の和:1003

約数の個数: 24

約数和(自身を含む): 30576000

約数和(自身を除く): 10633809

約数列:

[1, 3, 9, 19, 57, 139, 171, 417, 839, 1251, 2517, 2641, 7551, 7923, 15941, 23769, 47823, 116621, 143469, 349863, 1049589, 2215799, 6647397, 19942191]

約数ペア:

[(1, 19942191), (3, 6647397), (9, 2215799), (19, 1049589), (57, 349863), (139, 143469), (171, 116621), (417, 47823), (839, 23769), (1251, 15941), (2517, 7923), (2641, 7551)]