18666688

素因数分解:

$2^6\times {\mathrm{263}}^1\times {\mathrm{1109}}^1$

素因数の和:1384

約数の個数: 28

約数和(自身を含む): 37216080

約数和(自身を除く): 18549392

約数列:

[1, 2, 4, 8, 16, 32, 64, 263, 526, 1052, 1109, 2104, 2218, 4208, 4436, 8416, 8872, 16832, 17744, 35488, 70976, 291667, 583334, 1166668, 2333336, 4666672, 9333344, 18666688]

約数ペア:

[(1, 18666688), (2, 9333344), (4, 4666672), (8, 2333336), (16, 1166668), (32, 583334), (64, 291667), (263, 70976), (526, 35488), (1052, 17744), (1109, 16832), (2104, 8872), (2218, 8416), (4208, 4436)]