18474723

素因数分解:

$3^4\times {\mathrm{41}}^1\times {\mathrm{5563}}^1$

素因数の和:5616

約数の個数: 20

約数和(自身を含む): 28276248

約数和(自身を除く): 9801525

約数列:

[1, 3, 9, 27, 41, 81, 123, 369, 1107, 3321, 5563, 16689, 50067, 150201, 228083, 450603, 684249, 2052747, 6158241, 18474723]

約数ペア:

[(1, 18474723), (3, 6158241), (9, 2052747), (27, 684249), (41, 450603), (81, 228083), (123, 150201), (369, 50067), (1107, 16689), (3321, 5563)]