18454797

素因数分解:

$3^4\times {\mathrm{41}}^1\times {\mathrm{5557}}^1$

素因数の和:5610

約数の個数: 20

約数和(自身を含む): 28245756

約数和(自身を除く): 9790959

約数列:

[1, 3, 9, 27, 41, 81, 123, 369, 1107, 3321, 5557, 16671, 50013, 150039, 227837, 450117, 683511, 2050533, 6151599, 18454797]

約数ペア:

[(1, 18454797), (3, 6151599), (9, 2050533), (27, 683511), (41, 450117), (81, 227837), (123, 150039), (369, 50013), (1107, 16671), (3321, 5557)]