19680724

素因数分解:

$2^2\times 7^1\times {\mathrm{107}}^1\times {\mathrm{6569}}^1$

素因数の和:6687

約数の個数: 24

約数和(自身を含む): 39735360

約数和(自身を除く): 20054636

約数列:

[1, 2, 4, 7, 14, 28, 107, 214, 428, 749, 1498, 2996, 6569, 13138, 26276, 45983, 91966, 183932, 702883, 1405766, 2811532, 4920181, 9840362, 19680724]

約数ペア:

[(1, 19680724), (2, 9840362), (4, 4920181), (7, 2811532), (14, 1405766), (28, 702883), (107, 183932), (214, 91966), (428, 45983), (749, 26276), (1498, 13138), (2996, 6569)]