19443459

素因数分解:

$3^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{6661}}^1$

素因数の和:6810

約数の個数: 16

約数和(自身を含む): 29845760

約数和(自身を除く): 10402301

約数列:

[1, 3, 7, 21, 139, 417, 973, 2919, 6661, 19983, 46627, 139881, 925879, 2777637, 6481153, 19443459]

約数ペア:

[(1, 19443459), (3, 6481153), (7, 2777637), (21, 925879), (139, 139881), (417, 46627), (973, 19983), (2919, 6661)]