19707976

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{479}}^1$

素因数の和:661

約数の個数: 32

約数和(自身を含む): 38304000

約数和(自身を除く): 18596024

約数列:

[1, 2, 4, 8, 37, 74, 139, 148, 278, 296, 479, 556, 958, 1112, 1916, 3832, 5143, 10286, 17723, 20572, 35446, 41144, 66581, 70892, 133162, 141784, 266324, 532648, 2463497, 4926994, 9853988, 19707976]

約数ペア:

[(1, 19707976), (2, 9853988), (4, 4926994), (8, 2463497), (37, 532648), (74, 266324), (139, 141784), (148, 133162), (278, 70892), (296, 66581), (479, 41144), (556, 35446), (958, 20572), (1112, 17723), (1916, 10286), (3832, 5143)]