18779553

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{53503}}^1$

素因数の和:53525

約数の個数: 16

約数和(自身を含む): 29962240

約数和(自身を除く): 11182687

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 53503, 160509, 481527, 695539, 1444581, 2086617, 6259851, 18779553]

約数ペア:

[(1, 18779553), (3, 6259851), (9, 2086617), (13, 1444581), (27, 695539), (39, 481527), (117, 160509), (351, 53503)]