19936864

素因数分解:

$2^5\times {\mathrm{43}}^1\times {\mathrm{14489}}^1$

素因数の和:14542

約数の個数: 24

約数和(自身を含む): 40166280

約数和(自身を除く): 20229416

約数列:

[1, 2, 4, 8, 16, 32, 43, 86, 172, 344, 688, 1376, 14489, 28978, 57956, 115912, 231824, 463648, 623027, 1246054, 2492108, 4984216, 9968432, 19936864]

約数ペア:

[(1, 19936864), (2, 9968432), (4, 4984216), (8, 2492108), (16, 1246054), (32, 623027), (43, 463648), (86, 231824), (172, 115912), (344, 57956), (688, 28978), (1376, 14489)]