18941414

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{257}}^1\times {\mathrm{857}}^1$

素因数の和:1159

約数の個数: 16

約数和(自身を含む): 29220048

約数和(自身を除く): 10278634

約数列:

[1, 2, 43, 86, 257, 514, 857, 1714, 11051, 22102, 36851, 73702, 220249, 440498, 9470707, 18941414]

約数ペア:

[(1, 18941414), (2, 9470707), (43, 440498), (86, 220249), (257, 73702), (514, 36851), (857, 22102), (1714, 11051)]