18493882

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{76421}}^1$

素因数の和:76445

約数の個数: 12

約数和(自身を含む): 30492378

約数和(自身を除く): 11998496

約数列:

[1, 2, 11, 22, 121, 242, 76421, 152842, 840631, 1681262, 9246941, 18493882]

約数ペア:

[(1, 18493882), (2, 9246941), (11, 1681262), (22, 840631), (121, 152842), (242, 76421)]