19206891

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{10211}}^1$

素因数の和:10247

約数の個数: 24

約数和(自身を含む): 31861440

約数和(自身を除く): 12654549

約数列:

[1, 3, 9, 11, 19, 33, 57, 99, 171, 209, 627, 1881, 10211, 30633, 91899, 112321, 194009, 336963, 582027, 1010889, 1746081, 2134099, 6402297, 19206891]

約数ペア:

[(1, 19206891), (3, 6402297), (9, 2134099), (11, 1746081), (19, 1010889), (33, 582027), (57, 336963), (99, 194009), (171, 112321), (209, 91899), (627, 30633), (1881, 10211)]