18905643

素因数分解:

$3^5\times {\mathrm{77801}}^1$

素因数の和:77816

約数の個数: 12

約数和(自身を含む): 28319928

約数和(自身を除く): 9414285

約数列:

[1, 3, 9, 27, 81, 243, 77801, 233403, 700209, 2100627, 6301881, 18905643]

約数ペア:

[(1, 18905643), (3, 6301881), (9, 2100627), (27, 700209), (81, 233403), (243, 77801)]