19680978

素因数分解:

$2^1\times 3^1\times {\mathrm{613}}^1\times {\mathrm{5351}}^1$

素因数の和:5969

約数の個数: 16

約数和(自身を含む): 39433536

約数和(自身を除く): 19752558

約数列:

[1, 2, 3, 6, 613, 1226, 1839, 3678, 5351, 10702, 16053, 32106, 3280163, 6560326, 9840489, 19680978]

約数ペア:

[(1, 19680978), (2, 9840489), (3, 6560326), (6, 3280163), (613, 32106), (1226, 16053), (1839, 10702), (3678, 5351)]