18681307

素因数分解:

${\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{211}}^1$

素因数の和:354

約数の個数: 16

約数和(自身を含む): 20148480

約数和(自身を除く): 1467173

約数列:

[1, 29, 43, 71, 211, 1247, 2059, 3053, 6119, 9073, 14981, 88537, 263117, 434449, 644183, 18681307]

約数ペア:

[(1, 18681307), (29, 644183), (43, 434449), (71, 263117), (211, 88537), (1247, 14981), (2059, 9073), (3053, 6119)]