18985626

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{379}}^1$

素因数の和:432

約数の個数: 72

約数和(自身を含む): 47305440

約数和(自身を除く): 28319814

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 23, 33, 46, 66, 69, 99, 121, 138, 198, 207, 242, 253, 363, 379, 414, 506, 726, 758, 759, 1089, 1137, 1518, 2178, 2274, 2277, 2783, 3411, 4169, 4554, 5566, 6822, 8338, 8349, 8717, 12507, 16698, 17434, 25014, 25047, 26151, 37521, 45859, 50094, 52302, 75042, 78453, 91718, 95887, 137577, 156906, 191774, 275154, 287661, 412731, 575322, 825462, 862983, 1054757, 1725966, 2109514, 3164271, 6328542, 9492813, 18985626]

約数ペア:

[(1, 18985626), (2, 9492813), (3, 6328542), (6, 3164271), (9, 2109514), (11, 1725966), (18, 1054757), (22, 862983), (23, 825462), (33, 575322), (46, 412731), (66, 287661), (69, 275154), (99, 191774), (121, 156906), (138, 137577), (198, 95887), (207, 91718), (242, 78453), (253, 75042), (363, 52302), (379, 50094), (414, 45859), (506, 37521), (726, 26151), (758, 25047), (759, 25014), (1089, 17434), (1137, 16698), (1518, 12507), (2178, 8717), (2274, 8349), (2277, 8338), (2783, 6822), (3411, 5566), (4169, 4554)]