17978992

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{27407}}^1$

素因数の和:27456

約数の個数: 20

約数和(自身を含む): 35685216

約数和(自身を除く): 17706224

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 27407, 54814, 109628, 219256, 438512, 1123687, 2247374, 4494748, 8989496, 17978992]

約数ペア:

[(1, 17978992), (2, 8989496), (4, 4494748), (8, 2247374), (16, 1123687), (41, 438512), (82, 219256), (164, 109628), (328, 54814), (656, 27407)]