18233181

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{9787}}^1$

素因数の和:9822

約数の個数: 20

約数和(自身を含む): 28424352

約数和(自身を除く): 10191171

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 621, 1863, 9787, 29361, 88083, 225101, 264249, 675303, 792747, 2025909, 6077727, 18233181]

約数ペア:

[(1, 18233181), (3, 6077727), (9, 2025909), (23, 792747), (27, 675303), (69, 264249), (81, 225101), (207, 88083), (621, 29361), (1863, 9787)]