18325986

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{311}}^1$

素因数の和:407

約数の個数: 64

約数和(自身を含む): 44568576

約数和(自身を除く): 26242590

約数列:

[1, 2, 3, 6, 7, 14, 21, 23, 42, 46, 61, 69, 122, 138, 161, 183, 311, 322, 366, 427, 483, 622, 854, 933, 966, 1281, 1403, 1866, 2177, 2562, 2806, 4209, 4354, 6531, 7153, 8418, 9821, 13062, 14306, 18971, 19642, 21459, 29463, 37942, 42918, 50071, 56913, 58926, 100142, 113826, 132797, 150213, 265594, 300426, 398391, 436333, 796782, 872666, 1308999, 2617998, 3054331, 6108662, 9162993, 18325986]

約数ペア:

[(1, 18325986), (2, 9162993), (3, 6108662), (6, 3054331), (7, 2617998), (14, 1308999), (21, 872666), (23, 796782), (42, 436333), (46, 398391), (61, 300426), (69, 265594), (122, 150213), (138, 132797), (161, 113826), (183, 100142), (311, 58926), (322, 56913), (366, 50071), (427, 42918), (483, 37942), (622, 29463), (854, 21459), (933, 19642), (966, 18971), (1281, 14306), (1403, 13062), (1866, 9821), (2177, 8418), (2562, 7153), (2806, 6531), (4209, 4354)]