19125717

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{653}}^1\times {\mathrm{751}}^1$

素因数の和:1420

約数の個数: 16

約数和(自身を含む): 27541248

約数和(自身を除く): 8415531

約数列:

[1, 3, 13, 39, 653, 751, 1959, 2253, 8489, 9763, 25467, 29289, 490403, 1471209, 6375239, 19125717]

約数ペア:

[(1, 19125717), (3, 6375239), (13, 1471209), (39, 490403), (653, 29289), (751, 25467), (1959, 9763), (2253, 8489)]