18714309

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{251}}^1\times {\mathrm{857}}^1$

素因数の和:1140

約数の個数: 16

約数和(自身を含む): 25945920

約数和(自身を除く): 7231611

約数列:

[1, 3, 29, 87, 251, 753, 857, 2571, 7279, 21837, 24853, 74559, 215107, 645321, 6238103, 18714309]

約数ペア:

[(1, 18714309), (3, 6238103), (29, 645321), (87, 215107), (251, 74559), (753, 24853), (857, 21837), (2571, 7279)]