18463221

素因数分解:

$3^4\times 7^1\times {\mathrm{32563}}^1$

素因数の和:32582

約数の個数: 20

約数和(自身を含む): 31521952

約数和(自身を除く): 13058731

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 32563, 97689, 227941, 293067, 683823, 879201, 2051469, 2637603, 6154407, 18463221]

約数ペア:

[(1, 18463221), (3, 6154407), (7, 2637603), (9, 2051469), (21, 879201), (27, 683823), (63, 293067), (81, 227941), (189, 97689), (567, 32563)]