18508854

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{311}}^1$

素因数の和:445

約数の個数: 64

約数和(自身を含む): 46126080

約数和(自身を除く): 27617226

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 78, 91, 109, 182, 218, 273, 311, 327, 546, 622, 654, 763, 933, 1417, 1526, 1866, 2177, 2289, 2834, 4043, 4251, 4354, 4578, 6531, 8086, 8502, 9919, 12129, 13062, 19838, 24258, 28301, 29757, 33899, 56602, 59514, 67798, 84903, 101697, 169806, 203394, 237293, 440687, 474586, 711879, 881374, 1322061, 1423758, 2644122, 3084809, 6169618, 9254427, 18508854]

約数ペア:

[(1, 18508854), (2, 9254427), (3, 6169618), (6, 3084809), (7, 2644122), (13, 1423758), (14, 1322061), (21, 881374), (26, 711879), (39, 474586), (42, 440687), (78, 237293), (91, 203394), (109, 169806), (182, 101697), (218, 84903), (273, 67798), (311, 59514), (327, 56602), (546, 33899), (622, 29757), (654, 28301), (763, 24258), (933, 19838), (1417, 13062), (1526, 12129), (1866, 9919), (2177, 8502), (2289, 8086), (2834, 6531), (4043, 4578), (4251, 4354)]