18501453

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{9931}}^1$

素因数の和:9966

約数の個数: 20

約数和(自身を含む): 28842528

約数和(自身を除く): 10341075

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 621, 1863, 9931, 29793, 89379, 228413, 268137, 685239, 804411, 2055717, 6167151, 18501453]

約数ペア:

[(1, 18501453), (3, 6167151), (9, 2055717), (23, 804411), (27, 685239), (69, 268137), (81, 228413), (207, 89379), (621, 29793), (1863, 9931)]