18713954

素因数分解:

$2^1\times 7^1\times {\mathrm{571}}^1\times {\mathrm{2341}}^1$

素因数の和:2921

約数の個数: 16

約数和(自身を含む): 32150976

約数和(自身を除く): 13437022

約数列:

[1, 2, 7, 14, 571, 1142, 2341, 3997, 4682, 7994, 16387, 32774, 1336711, 2673422, 9356977, 18713954]

約数ペア:

[(1, 18713954), (2, 9356977), (7, 2673422), (14, 1336711), (571, 32774), (1142, 16387), (2341, 7994), (3997, 4682)]