19149891

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{2417}}^1$

素因数の和:2578

約数の個数: 16

約数和(自身を含む): 27081600

約数和(自身を除く): 7931709

約数列:

[1, 3, 19, 57, 139, 417, 2417, 2641, 7251, 7923, 45923, 137769, 335963, 1007889, 6383297, 19149891]

約数ペア:

[(1, 19149891), (3, 6383297), (19, 1007889), (57, 335963), (139, 137769), (417, 45923), (2417, 7923), (2641, 7251)]