18637146

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{199}}^1$

素因数の和:272

約数の個数: 72

約数和(自身を含む): 45645600

約数和(自身を除く): 27008454

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 43, 66, 86, 99, 121, 129, 198, 199, 242, 258, 363, 387, 398, 473, 597, 726, 774, 946, 1089, 1194, 1419, 1791, 2178, 2189, 2838, 3582, 4257, 4378, 5203, 6567, 8514, 8557, 10406, 13134, 15609, 17114, 19701, 24079, 25671, 31218, 39402, 46827, 48158, 51342, 72237, 77013, 93654, 94127, 144474, 154026, 188254, 216711, 282381, 433422, 564762, 847143, 1035397, 1694286, 2070794, 3106191, 6212382, 9318573, 18637146]

約数ペア:

[(1, 18637146), (2, 9318573), (3, 6212382), (6, 3106191), (9, 2070794), (11, 1694286), (18, 1035397), (22, 847143), (33, 564762), (43, 433422), (66, 282381), (86, 216711), (99, 188254), (121, 154026), (129, 144474), (198, 94127), (199, 93654), (242, 77013), (258, 72237), (363, 51342), (387, 48158), (398, 46827), (473, 39402), (597, 31218), (726, 25671), (774, 24079), (946, 19701), (1089, 17114), (1194, 15609), (1419, 13134), (1791, 10406), (2178, 8557), (2189, 8514), (2838, 6567), (3582, 5203), (4257, 4378)]