18561958168

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{907}}^1\times {\mathrm{15137}}^1$

素因数の和:16076

約数の個数: 48

約数和(自身を含む): 37730859480

約数和(自身を除く): 19168901312

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 169, 338, 676, 907, 1352, 1814, 3628, 7256, 11791, 15137, 23582, 30274, 47164, 60548, 94328, 121096, 153283, 196781, 306566, 393562, 613132, 787124, 1226264, 1574248, 2558153, 5116306, 10232612, 13729259, 20465224, 27458518, 54917036, 109834072, 178480367, 356960734, 713921468, 1427842936, 2320244771, 4640489542, 9280979084, 18561958168]

約数ペア:

[(1, 18561958168), (2, 9280979084), (4, 4640489542), (8, 2320244771), (13, 1427842936), (26, 713921468), (52, 356960734), (104, 178480367), (169, 109834072), (338, 54917036), (676, 27458518), (907, 20465224), (1352, 13729259), (1814, 10232612), (3628, 5116306), (7256, 2558153), (11791, 1574248), (15137, 1226264), (23582, 787124), (30274, 613132), (47164, 393562), (60548, 306566), (94328, 196781), (121096, 153283)]