18021906

素因数分解:

$2^1\times 3^3\times 7^4\times {\mathrm{139}}^1$

素因数の和:178

約数の個数: 80

約数和(自身を含む): 47056800

約数和(自身を除く): 29034894

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 49, 54, 63, 98, 126, 139, 147, 189, 278, 294, 343, 378, 417, 441, 686, 834, 882, 973, 1029, 1251, 1323, 1946, 2058, 2401, 2502, 2646, 2919, 3087, 3753, 4802, 5838, 6174, 6811, 7203, 7506, 8757, 9261, 13622, 14406, 17514, 18522, 20433, 21609, 26271, 40866, 43218, 47677, 52542, 61299, 64827, 95354, 122598, 129654, 143031, 183897, 286062, 333739, 367794, 429093, 667478, 858186, 1001217, 1287279, 2002434, 2574558, 3003651, 6007302, 9010953, 18021906]

約数ペア:

[(1, 18021906), (2, 9010953), (3, 6007302), (6, 3003651), (7, 2574558), (9, 2002434), (14, 1287279), (18, 1001217), (21, 858186), (27, 667478), (42, 429093), (49, 367794), (54, 333739), (63, 286062), (98, 183897), (126, 143031), (139, 129654), (147, 122598), (189, 95354), (278, 64827), (294, 61299), (343, 52542), (378, 47677), (417, 43218), (441, 40866), (686, 26271), (834, 21609), (882, 20433), (973, 18522), (1029, 17514), (1251, 14406), (1323, 13622), (1946, 9261), (2058, 8757), (2401, 7506), (2502, 7203), (2646, 6811), (2919, 6174), (3087, 5838), (3753, 4802)]