19788824

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{20443}}^1$

素因数の和:20471

約数の個数: 24

約数和(自身を含む): 40785780

約数和(自身を除く): 20996956

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 121, 242, 484, 968, 20443, 40886, 81772, 163544, 224873, 449746, 899492, 1798984, 2473603, 4947206, 9894412, 19788824]

約数ペア:

[(1, 19788824), (2, 9894412), (4, 4947206), (8, 2473603), (11, 1798984), (22, 899492), (44, 449746), (88, 224873), (121, 163544), (242, 81772), (484, 40886), (968, 20443)]