2018172978

素因数分解:

$2^1\times 3^2\times {\mathrm{112120721}}^1$

素因数の和:112120729

約数の個数: 12

約数和(自身を含む): 4372708158

約数和(自身を除く): 2354535180

約数列:

[1, 2, 3, 6, 9, 18, 112120721, 224241442, 336362163, 672724326, 1009086489, 2018172978]

約数ペア:

[(1, 2018172978), (2, 1009086489), (3, 672724326), (6, 336362163), (9, 224241442), (18, 112120721)]