18310474

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{71}}^1\times {\mathrm{109}}^1$

素因数の和:215

約数の個数: 48

約数和(自身を含む): 34784640

約数和(自身を除く): 16474166

約数列:

[1, 2, 7, 13, 14, 26, 71, 91, 109, 142, 169, 182, 218, 338, 497, 763, 923, 994, 1183, 1417, 1526, 1846, 2366, 2834, 6461, 7739, 9919, 11999, 12922, 15478, 18421, 19838, 23998, 36842, 54173, 83993, 100607, 108346, 128947, 167986, 201214, 257894, 704249, 1307891, 1408498, 2615782, 9155237, 18310474]

約数ペア:

[(1, 18310474), (2, 9155237), (7, 2615782), (13, 1408498), (14, 1307891), (26, 704249), (71, 257894), (91, 201214), (109, 167986), (142, 128947), (169, 108346), (182, 100607), (218, 83993), (338, 54173), (497, 36842), (763, 23998), (923, 19838), (994, 18421), (1183, 15478), (1417, 12922), (1526, 11999), (1846, 9919), (2366, 7739), (2834, 6461)]