19241631

素因数分解:

$3^4\times {\mathrm{139}}^1\times {\mathrm{1709}}^1$

素因数の和:1860

約数の個数: 20

約数和(自身を含む): 28967400

約数和(自身を除く): 9725769

約数列:

[1, 3, 9, 27, 81, 139, 417, 1251, 1709, 3753, 5127, 11259, 15381, 46143, 138429, 237551, 712653, 2137959, 6413877, 19241631]

約数ペア:

[(1, 19241631), (3, 6413877), (9, 2137959), (27, 712653), (81, 237551), (139, 138429), (417, 46143), (1251, 15381), (1709, 11259), (3753, 5127)]