18767224

素因数分解:

$2^3\times 7^1\times {\mathrm{139}}^1\times {\mathrm{2411}}^1$

素因数の和:2563

約数の個数: 32

約数和(自身を含む): 40521600

約数和(自身を除く): 21754376

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 139, 278, 556, 973, 1112, 1946, 2411, 3892, 4822, 7784, 9644, 16877, 19288, 33754, 67508, 135016, 335129, 670258, 1340516, 2345903, 2681032, 4691806, 9383612, 18767224]

約数ペア:

[(1, 18767224), (2, 9383612), (4, 4691806), (7, 2681032), (8, 2345903), (14, 1340516), (28, 670258), (56, 335129), (139, 135016), (278, 67508), (556, 33754), (973, 19288), (1112, 16877), (1946, 9644), (2411, 7784), (3892, 4822)]