18530391

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{29}}^1\times {\mathrm{67}}^1$

素因数の和:144

約数の個数: 48

約数和(自身を含む): 30061440

約数和(自身を除く): 11531049

約数列:

[1, 3, 11, 17, 29, 33, 51, 67, 87, 187, 201, 289, 319, 493, 561, 737, 867, 957, 1139, 1479, 1943, 2211, 3179, 3417, 5423, 5829, 8381, 9537, 12529, 16269, 19363, 21373, 25143, 33031, 37587, 58089, 64119, 92191, 99093, 212993, 276573, 363341, 561527, 638979, 1090023, 1684581, 6176797, 18530391]

約数ペア:

[(1, 18530391), (3, 6176797), (11, 1684581), (17, 1090023), (29, 638979), (33, 561527), (51, 363341), (67, 276573), (87, 212993), (187, 99093), (201, 92191), (289, 64119), (319, 58089), (493, 37587), (561, 33031), (737, 25143), (867, 21373), (957, 19363), (1139, 16269), (1479, 12529), (1943, 9537), (2211, 8381), (3179, 5829), (3417, 5423)]