18402237

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{6793}}^1$

素因数の和:6849

約数の個数: 24

約数和(自身を含む): 31089344

約数和(自身を除く): 12687107

約数列:

[1, 3, 7, 9, 21, 43, 63, 129, 301, 387, 903, 2709, 6793, 20379, 47551, 61137, 142653, 292099, 427959, 876297, 2044693, 2628891, 6134079, 18402237]

約数ペア:

[(1, 18402237), (3, 6134079), (7, 2628891), (9, 2044693), (21, 876297), (43, 427959), (63, 292099), (129, 142653), (301, 61137), (387, 47551), (903, 20379), (2709, 6793)]