19288768

素因数分解:

$2^6\times {\mathrm{43}}^2\times {\mathrm{163}}^1$

素因数の和:261

約数の個数: 42

約数和(自身を含む): 39427404

約数和(自身を除く): 20138636

約数列:

[1, 2, 4, 8, 16, 32, 43, 64, 86, 163, 172, 326, 344, 652, 688, 1304, 1376, 1849, 2608, 2752, 3698, 5216, 7009, 7396, 10432, 14018, 14792, 28036, 29584, 56072, 59168, 112144, 118336, 224288, 301387, 448576, 602774, 1205548, 2411096, 4822192, 9644384, 19288768]

約数ペア:

[(1, 19288768), (2, 9644384), (4, 4822192), (8, 2411096), (16, 1205548), (32, 602774), (43, 448576), (64, 301387), (86, 224288), (163, 118336), (172, 112144), (326, 59168), (344, 56072), (652, 29584), (688, 28036), (1304, 14792), (1376, 14018), (1849, 10432), (2608, 7396), (2752, 7009), (3698, 5216)]