18018

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1$

素因数の和:39

約数の個数: 48

約数和(自身を含む): 52416

約数和(自身を除く): 34398

約数列:

[1, 2, 3, 6, 7, 9, 11, 13, 14, 18, 21, 22, 26, 33, 39, 42, 63, 66, 77, 78, 91, 99, 117, 126, 143, 154, 182, 198, 231, 234, 273, 286, 429, 462, 546, 693, 819, 858, 1001, 1287, 1386, 1638, 2002, 2574, 3003, 6006, 9009, 18018]

約数ペア:

[(1, 18018), (2, 9009), (3, 6006), (6, 3003), (7, 2574), (9, 2002), (11, 1638), (13, 1386), (14, 1287), (18, 1001), (21, 858), (22, 819), (26, 693), (33, 546), (39, 462), (42, 429), (63, 286), (66, 273), (77, 234), (78, 231), (91, 198), (99, 182), (117, 154), (126, 143)]