19665542

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{3919}}^1$

素因数の和:4127

約数の個数: 16

約数和(自身を含む): 31940160

約数和(自身を除く): 12274618

約数列:

[1, 2, 13, 26, 193, 386, 2509, 3919, 5018, 7838, 50947, 101894, 756367, 1512734, 9832771, 19665542]

約数ペア:

[(1, 19665542), (2, 9832771), (13, 1512734), (26, 756367), (193, 101894), (386, 50947), (2509, 7838), (3919, 5018)]