18358186

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1$

素因数の和:187

約数の個数: 64

約数和(自身を含む): 36827136

約数和(自身を除く): 18468950

約数列:

[1, 2, 7, 11, 14, 22, 23, 46, 71, 73, 77, 142, 146, 154, 161, 253, 322, 497, 506, 511, 781, 803, 994, 1022, 1562, 1606, 1633, 1679, 1771, 3266, 3358, 3542, 5183, 5467, 5621, 10366, 10934, 11242, 11431, 11753, 17963, 18469, 22862, 23506, 35926, 36281, 36938, 57013, 72562, 114026, 119209, 125741, 129283, 238418, 251482, 258566, 399091, 798182, 834463, 1311299, 1668926, 2622598, 9179093, 18358186]

約数ペア:

[(1, 18358186), (2, 9179093), (7, 2622598), (11, 1668926), (14, 1311299), (22, 834463), (23, 798182), (46, 399091), (71, 258566), (73, 251482), (77, 238418), (142, 129283), (146, 125741), (154, 119209), (161, 114026), (253, 72562), (322, 57013), (497, 36938), (506, 36281), (511, 35926), (781, 23506), (803, 22862), (994, 18469), (1022, 17963), (1562, 11753), (1606, 11431), (1633, 11242), (1679, 10934), (1771, 10366), (3266, 5621), (3358, 5467), (3542, 5183)]