18697966

素因数分解:

$2^1\times 7^1\times {\mathrm{571}}^1\times {\mathrm{2339}}^1$

素因数の和:2919

約数の個数: 16

約数和(自身を含む): 32123520

約数和(自身を除く): 13425554

約数列:

[1, 2, 7, 14, 571, 1142, 2339, 3997, 4678, 7994, 16373, 32746, 1335569, 2671138, 9348983, 18697966]

約数ペア:

[(1, 18697966), (2, 9348983), (7, 2671138), (14, 1335569), (571, 32746), (1142, 16373), (2339, 7994), (3997, 4678)]