18890308672

素因数分解:

$2^6\times {\mathrm{43}}^1\times {\mathrm{6864211}}^1$

素因数の和:6864266

約数の個数: 28

約数和(自身を含む): 38357216656

約数和(自身を除く): 19466907984

約数列:

[1, 2, 4, 8, 16, 32, 43, 64, 86, 172, 344, 688, 1376, 2752, 6864211, 13728422, 27456844, 54913688, 109827376, 219654752, 295161073, 439309504, 590322146, 1180644292, 2361288584, 4722577168, 9445154336, 18890308672]

約数ペア:

[(1, 18890308672), (2, 9445154336), (4, 4722577168), (8, 2361288584), (16, 1180644292), (32, 590322146), (43, 439309504), (64, 295161073), (86, 219654752), (172, 109827376), (344, 54913688), (688, 27456844), (1376, 13728422), (2752, 6864211)]