19865104

素因数分解:

$2^4\times 7^1\times {\mathrm{193}}^1\times {\mathrm{919}}^1$

素因数の和:1127

約数の個数: 40

約数和(自身を含む): 44263040

約数和(自身を除く): 24397936

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 193, 386, 772, 919, 1351, 1544, 1838, 2702, 3088, 3676, 5404, 6433, 7352, 10808, 12866, 14704, 21616, 25732, 51464, 102928, 177367, 354734, 709468, 1241569, 1418936, 2483138, 2837872, 4966276, 9932552, 19865104]

約数ペア:

[(1, 19865104), (2, 9932552), (4, 4966276), (7, 2837872), (8, 2483138), (14, 1418936), (16, 1241569), (28, 709468), (56, 354734), (112, 177367), (193, 102928), (386, 51464), (772, 25732), (919, 21616), (1351, 14704), (1544, 12866), (1838, 10808), (2702, 7352), (3088, 6433), (3676, 5404)]