18181782

素因数分解:

$2^1\times 3^2\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{571}}^1$

素因数の和:669

約数の個数: 48

約数和(自身を含む): 41492880

約数和(自身を除く): 23311098

約数列:

[1, 2, 3, 6, 9, 18, 29, 58, 61, 87, 122, 174, 183, 261, 366, 522, 549, 571, 1098, 1142, 1713, 1769, 3426, 3538, 5139, 5307, 10278, 10614, 15921, 16559, 31842, 33118, 34831, 49677, 69662, 99354, 104493, 149031, 208986, 298062, 313479, 626958, 1010099, 2020198, 3030297, 6060594, 9090891, 18181782]

約数ペア:

[(1, 18181782), (2, 9090891), (3, 6060594), (6, 3030297), (9, 2020198), (18, 1010099), (29, 626958), (58, 313479), (61, 298062), (87, 208986), (122, 149031), (174, 104493), (183, 99354), (261, 69662), (366, 49677), (522, 34831), (549, 33118), (571, 31842), (1098, 16559), (1142, 15921), (1713, 10614), (1769, 10278), (3426, 5307), (3538, 5139)]