18226539

素因数分解:

$3^4\times {\mathrm{43}}^1\times {\mathrm{5233}}^1$

素因数の和:5288

約数の個数: 20

約数和(自身を含む): 27865816

約数和(自身を除く): 9639277

約数列:

[1, 3, 9, 27, 43, 81, 129, 387, 1161, 3483, 5233, 15699, 47097, 141291, 225019, 423873, 675057, 2025171, 6075513, 18226539]

約数ペア:

[(1, 18226539), (3, 6075513), (9, 2025171), (27, 675057), (43, 423873), (81, 225019), (129, 141291), (387, 47097), (1161, 15699), (3483, 5233)]