19181691

素因数分解:

$3^5\times {\mathrm{193}}^1\times {\mathrm{409}}^1$

素因数の和:617

約数の個数: 24

約数和(自身を含む): 28952560

約数和(自身を除く): 9770869

約数列:

[1, 3, 9, 27, 81, 193, 243, 409, 579, 1227, 1737, 3681, 5211, 11043, 15633, 33129, 46899, 78937, 99387, 236811, 710433, 2131299, 6393897, 19181691]

約数ペア:

[(1, 19181691), (3, 6393897), (9, 2131299), (27, 710433), (81, 236811), (193, 99387), (243, 78937), (409, 46899), (579, 33129), (1227, 15633), (1737, 11043), (3681, 5211)]