18794187

素因数分解:

$3^4\times {\mathrm{37}}^1\times {\mathrm{6271}}^1$

素因数の和:6320

約数の個数: 20

約数和(自身を含む): 28838656

約数和(自身を除く): 10044469

約数列:

[1, 3, 9, 27, 37, 81, 111, 333, 999, 2997, 6271, 18813, 56439, 169317, 232027, 507951, 696081, 2088243, 6264729, 18794187]

約数ペア:

[(1, 18794187), (3, 6264729), (9, 2088243), (27, 696081), (37, 507951), (81, 232027), (111, 169317), (333, 56439), (999, 18813), (2997, 6271)]