18557994

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{829}}^1$

素因数の和:895

約数の個数: 64

約数和(自身を含む): 46851840

約数和(自身を除く): 28293846

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 41, 42, 78, 82, 91, 123, 182, 246, 273, 287, 533, 546, 574, 829, 861, 1066, 1599, 1658, 1722, 2487, 3198, 3731, 4974, 5803, 7462, 10777, 11193, 11606, 17409, 21554, 22386, 32331, 33989, 34818, 64662, 67978, 75439, 101967, 150878, 203934, 226317, 237923, 441857, 452634, 475846, 713769, 883714, 1325571, 1427538, 2651142, 3092999, 6185998, 9278997, 18557994]

約数ペア:

[(1, 18557994), (2, 9278997), (3, 6185998), (6, 3092999), (7, 2651142), (13, 1427538), (14, 1325571), (21, 883714), (26, 713769), (39, 475846), (41, 452634), (42, 441857), (78, 237923), (82, 226317), (91, 203934), (123, 150878), (182, 101967), (246, 75439), (273, 67978), (287, 64662), (533, 34818), (546, 33989), (574, 32331), (829, 22386), (861, 21554), (1066, 17409), (1599, 11606), (1658, 11193), (1722, 10777), (2487, 7462), (3198, 5803), (3731, 4974)]