18121232

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{26339}}^1$

素因数の和:26390

約数の個数: 20

約数和(自身を含む): 35927760

約数和(自身を除く): 17806528

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 26339, 52678, 105356, 210712, 421424, 1132577, 2265154, 4530308, 9060616, 18121232]

約数ペア:

[(1, 18121232), (2, 9060616), (4, 4530308), (8, 2265154), (16, 1132577), (43, 421424), (86, 210712), (172, 105356), (344, 52678), (688, 26339)]