18127278

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^2\times {\mathrm{59}}^1\times {\mathrm{101}}^1$

素因数の和:194

約数の個数: 72

約数和(自身を含む): 43678440

約数和(自身を除く): 25551162

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 59, 78, 101, 117, 118, 169, 177, 202, 234, 303, 338, 354, 507, 531, 606, 767, 909, 1014, 1062, 1313, 1521, 1534, 1818, 2301, 2626, 3042, 3939, 4602, 5959, 6903, 7878, 9971, 11817, 11918, 13806, 17069, 17877, 19942, 23634, 29913, 34138, 35754, 51207, 53631, 59826, 77467, 89739, 102414, 107262, 153621, 154934, 179478, 232401, 307242, 464802, 697203, 1007071, 1394406, 2014142, 3021213, 6042426, 9063639, 18127278]

約数ペア:

[(1, 18127278), (2, 9063639), (3, 6042426), (6, 3021213), (9, 2014142), (13, 1394406), (18, 1007071), (26, 697203), (39, 464802), (59, 307242), (78, 232401), (101, 179478), (117, 154934), (118, 153621), (169, 107262), (177, 102414), (202, 89739), (234, 77467), (303, 59826), (338, 53631), (354, 51207), (507, 35754), (531, 34138), (606, 29913), (767, 23634), (909, 19942), (1014, 17877), (1062, 17069), (1313, 13806), (1521, 11918), (1534, 11817), (1818, 9971), (2301, 7878), (2626, 6903), (3042, 5959), (3939, 4602)]