18370881

素因数分解:

$3^4\times {\mathrm{337}}^1\times {\mathrm{673}}^1$

素因数の和:1022

約数の個数: 20

約数和(自身を含む): 27565252

約数和(自身を除く): 9194371

約数列:

[1, 3, 9, 27, 81, 337, 673, 1011, 2019, 3033, 6057, 9099, 18171, 27297, 54513, 226801, 680403, 2041209, 6123627, 18370881]

約数ペア:

[(1, 18370881), (3, 6123627), (9, 2041209), (27, 680403), (81, 226801), (337, 54513), (673, 27297), (1011, 18171), (2019, 9099), (3033, 6057)]