19089009

素因数分解:

$3^2\times {\mathrm{139}}^1\times {\mathrm{15259}}^1$

素因数の和:15404

約数の個数: 12

約数和(自身を含む): 27773200

約数和(自身を除く): 8684191

約数列:

[1, 3, 9, 139, 417, 1251, 15259, 45777, 137331, 2121001, 6363003, 19089009]

約数ペア:

[(1, 19089009), (3, 6363003), (9, 2121001), (139, 137331), (417, 45777), (1251, 15259)]