26640018

素因数分解:

$2^1\times 3^2\times {\mathrm{1480001}}^1$

素因数の和:1480009

約数の個数: 12

約数和(自身を含む): 57720078

約数和(自身を除く): 31080060

約数列:

[1, 2, 3, 6, 9, 18, 1480001, 2960002, 4440003, 8880006, 13320009, 26640018]

約数ペア:

[(1, 26640018), (2, 13320009), (3, 8880006), (6, 4440003), (9, 2960002), (18, 1480001)]