18866748

素因数分解:

$2^2\times 3^1\times {\mathrm{139}}^1\times {\mathrm{11311}}^1$

素因数の和:11457

約数の個数: 24

約数和(自身を含む): 44343040

約数和(自身を除く): 25476292

約数列:

[1, 2, 3, 4, 6, 12, 139, 278, 417, 556, 834, 1668, 11311, 22622, 33933, 45244, 67866, 135732, 1572229, 3144458, 4716687, 6288916, 9433374, 18866748]

約数ペア:

[(1, 18866748), (2, 9433374), (3, 6288916), (4, 4716687), (6, 3144458), (12, 1572229), (139, 135732), (278, 67866), (417, 45244), (556, 33933), (834, 22622), (1668, 11311)]