18811128

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{2731}}^1$

素因数の和:2788

約数の個数: 64

約数和(自身を含む): 55077120

約数和(自身を除く): 36265992

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 41, 42, 56, 82, 84, 123, 164, 168, 246, 287, 328, 492, 574, 861, 984, 1148, 1722, 2296, 2731, 3444, 5462, 6888, 8193, 10924, 16386, 19117, 21848, 32772, 38234, 57351, 65544, 76468, 111971, 114702, 152936, 223942, 229404, 335913, 447884, 458808, 671826, 783797, 895768, 1343652, 1567594, 2351391, 2687304, 3135188, 4702782, 6270376, 9405564, 18811128]

約数ペア:

[(1, 18811128), (2, 9405564), (3, 6270376), (4, 4702782), (6, 3135188), (7, 2687304), (8, 2351391), (12, 1567594), (14, 1343652), (21, 895768), (24, 783797), (28, 671826), (41, 458808), (42, 447884), (56, 335913), (82, 229404), (84, 223942), (123, 152936), (164, 114702), (168, 111971), (246, 76468), (287, 65544), (328, 57351), (492, 38234), (574, 32772), (861, 21848), (984, 19117), (1148, 16386), (1722, 10924), (2296, 8193), (2731, 6888), (3444, 5462)]