19338021

素因数分解:

$3^4\times {\mathrm{193}}^1\times {\mathrm{1237}}^1$

素因数の和:1442

約数の個数: 20

約数和(自身を含む): 29060812

約数和(自身を除く): 9722791

約数列:

[1, 3, 9, 27, 81, 193, 579, 1237, 1737, 3711, 5211, 11133, 15633, 33399, 100197, 238741, 716223, 2148669, 6446007, 19338021]

約数ペア:

[(1, 19338021), (3, 6446007), (9, 2148669), (27, 716223), (81, 238741), (193, 100197), (579, 33399), (1237, 15633), (1737, 11133), (3711, 5211)]