18947841

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{8087}}^1$

素因数の和:8172

約数の個数: 16

約数和(自身を含む): 27952128

約数和(自身を除く): 9004287

約数列:

[1, 3, 11, 33, 71, 213, 781, 2343, 8087, 24261, 88957, 266871, 574177, 1722531, 6315947, 18947841]

約数ペア:

[(1, 18947841), (3, 6315947), (11, 1722531), (33, 574177), (71, 266871), (213, 88957), (781, 24261), (2343, 8087)]