19121168

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{108643}}^1$

素因数の和:108662

約数の個数: 20

約数和(自身を含む): 40415568

約数和(自身を除く): 21294400

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 108643, 217286, 434572, 869144, 1195073, 1738288, 2390146, 4780292, 9560584, 19121168]

約数ペア:

[(1, 19121168), (2, 9560584), (4, 4780292), (8, 2390146), (11, 1738288), (16, 1195073), (22, 869144), (44, 434572), (88, 217286), (176, 108643)]