17909226

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{181}}^1\times {\mathrm{239}}^1$

素因数の和:451

約数の個数: 48

約数和(自身を含む): 40884480

約数和(自身を除く): 22975254

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 69, 138, 181, 207, 239, 362, 414, 478, 543, 717, 1086, 1434, 1629, 2151, 3258, 4163, 4302, 5497, 8326, 10994, 12489, 16491, 24978, 32982, 37467, 43259, 49473, 74934, 86518, 98946, 129777, 259554, 389331, 778662, 994957, 1989914, 2984871, 5969742, 8954613, 17909226]

約数ペア:

[(1, 17909226), (2, 8954613), (3, 5969742), (6, 2984871), (9, 1989914), (18, 994957), (23, 778662), (46, 389331), (69, 259554), (138, 129777), (181, 98946), (207, 86518), (239, 74934), (362, 49473), (414, 43259), (478, 37467), (543, 32982), (717, 24978), (1086, 16491), (1434, 12489), (1629, 10994), (2151, 8326), (3258, 5497), (4163, 4302)]