18229707

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{389}}^1$

素因数の和:563

約数の個数: 24

約数和(自身を含む): 27256320

約数和(自身を除く): 9026613

約数列:

[1, 3, 9, 41, 123, 127, 369, 381, 389, 1143, 1167, 3501, 5207, 15621, 15949, 46863, 47847, 49403, 143541, 148209, 444627, 2025523, 6076569, 18229707]

約数ペア:

[(1, 18229707), (3, 6076569), (9, 2025523), (41, 444627), (123, 148209), (127, 143541), (369, 49403), (381, 47847), (389, 46863), (1143, 15949), (1167, 15621), (3501, 5207)]