18800733

素因数分解:

$3^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{4243}}^1$

素因数の和:4464

約数の個数: 16

約数和(自身を含む): 28791296

約数和(自身を除く): 9990563

約数列:

[1, 3, 7, 21, 211, 633, 1477, 4243, 4431, 12729, 29701, 89103, 895273, 2685819, 6266911, 18800733]

約数ペア:

[(1, 18800733), (3, 6266911), (7, 2685819), (21, 895273), (211, 89103), (633, 29701), (1477, 12729), (4243, 4431)]