19780946

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{3433}}^1$

素因数の和:3545

約数の個数: 16

約数和(自身を含む): 30823584

約数和(自身を除く): 11042638

約数列:

[1, 2, 43, 67, 86, 134, 2881, 3433, 5762, 6866, 147619, 230011, 295238, 460022, 9890473, 19780946]

約数ペア:

[(1, 19780946), (2, 9890473), (43, 460022), (67, 295238), (86, 230011), (134, 147619), (2881, 6866), (3433, 5762)]