18647882

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{389}}^1\times {\mathrm{2179}}^1$

素因数の和:2581

約数の個数: 16

約数和(自身を含む): 30607200

約数和(自身を除く): 11959318

約数列:

[1, 2, 11, 22, 389, 778, 2179, 4279, 4358, 8558, 23969, 47938, 847631, 1695262, 9323941, 18647882]

約数ペア:

[(1, 18647882), (2, 9323941), (11, 1695262), (22, 847631), (389, 47938), (778, 23969), (2179, 8558), (4279, 4358)]