18787846

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{6421}}^1$

素因数の和:6460

約数の個数: 32

約数和(自身を含む): 36990720

約数和(自身を除く): 18202874

約数列:

[1, 2, 7, 11, 14, 19, 22, 38, 77, 133, 154, 209, 266, 418, 1463, 2926, 6421, 12842, 44947, 70631, 89894, 121999, 141262, 243998, 494417, 853993, 988834, 1341989, 1707986, 2683978, 9393923, 18787846]

約数ペア:

[(1, 18787846), (2, 9393923), (7, 2683978), (11, 1707986), (14, 1341989), (19, 988834), (22, 853993), (38, 494417), (77, 243998), (133, 141262), (154, 121999), (209, 89894), (266, 70631), (418, 44947), (1463, 12842), (2926, 6421)]