18481359

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{631}}^1\times {\mathrm{751}}^1$

素因数の和:1398

約数の個数: 16

約数和(自身を含む): 26614784

約数和(自身を除く): 8133425

約数列:

[1, 3, 13, 39, 631, 751, 1893, 2253, 8203, 9763, 24609, 29289, 473881, 1421643, 6160453, 18481359]

約数ペア:

[(1, 18481359), (3, 6160453), (13, 1421643), (39, 473881), (631, 29289), (751, 24609), (1893, 9763), (2253, 8203)]