18649616

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{27107}}^1$

素因数の和:27158

約数の個数: 20

約数和(自身を含む): 36975312

約数和(自身を除く): 18325696

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 27107, 54214, 108428, 216856, 433712, 1165601, 2331202, 4662404, 9324808, 18649616]

約数ペア:

[(1, 18649616), (2, 9324808), (4, 4662404), (8, 2331202), (16, 1165601), (43, 433712), (86, 216856), (172, 108428), (344, 54214), (688, 27107)]