19731460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{140939}}^1$

素因数の和:140955

約数の個数: 24

約数和(自身を含む): 47355840

約数和(自身を除く): 27624380

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 140939, 281878, 563756, 704695, 986573, 1409390, 1973146, 2818780, 3946292, 4932865, 9865730, 19731460]

約数ペア:

[(1, 19731460), (2, 9865730), (4, 4932865), (5, 3946292), (7, 2818780), (10, 1973146), (14, 1409390), (20, 986573), (28, 704695), (35, 563756), (70, 281878), (140, 140939)]