18168876

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{97}}^1$

素因数の和:172

約数の個数: 108

約数和(自身を含む): 52188136

約数和(自身を除く): 34019260

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 43, 44, 66, 86, 97, 99, 121, 129, 132, 172, 194, 198, 242, 258, 291, 363, 387, 388, 396, 473, 484, 516, 582, 726, 774, 873, 946, 1067, 1089, 1164, 1419, 1452, 1548, 1746, 1892, 2134, 2178, 2838, 3201, 3492, 4171, 4257, 4268, 4356, 5203, 5676, 6402, 8342, 8514, 9603, 10406, 11737, 12513, 12804, 15609, 16684, 17028, 19206, 20812, 23474, 25026, 31218, 35211, 37539, 38412, 45881, 46827, 46948, 50052, 62436, 70422, 75078, 91762, 93654, 105633, 137643, 140844, 150156, 183524, 187308, 211266, 275286, 412929, 422532, 504691, 550572, 825858, 1009382, 1514073, 1651716, 2018764, 3028146, 4542219, 6056292, 9084438, 18168876]

約数ペア:

[(1, 18168876), (2, 9084438), (3, 6056292), (4, 4542219), (6, 3028146), (9, 2018764), (11, 1651716), (12, 1514073), (18, 1009382), (22, 825858), (33, 550572), (36, 504691), (43, 422532), (44, 412929), (66, 275286), (86, 211266), (97, 187308), (99, 183524), (121, 150156), (129, 140844), (132, 137643), (172, 105633), (194, 93654), (198, 91762), (242, 75078), (258, 70422), (291, 62436), (363, 50052), (387, 46948), (388, 46827), (396, 45881), (473, 38412), (484, 37539), (516, 35211), (582, 31218), (726, 25026), (774, 23474), (873, 20812), (946, 19206), (1067, 17028), (1089, 16684), (1164, 15609), (1419, 12804), (1452, 12513), (1548, 11737), (1746, 10406), (1892, 9603), (2134, 8514), (2178, 8342), (2838, 6402), (3201, 5676), (3492, 5203), (4171, 4356), (4257, 4268)]