18131288

素因数分解:

$2^3\times 7^1\times {\mathrm{199}}^1\times {\mathrm{1627}}^1$

素因数の和:1839

約数の個数: 32

約数和(自身を含む): 39072000

約数和(自身を除く): 20940712

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 199, 398, 796, 1393, 1592, 1627, 2786, 3254, 5572, 6508, 11144, 11389, 13016, 22778, 45556, 91112, 323773, 647546, 1295092, 2266411, 2590184, 4532822, 9065644, 18131288]

約数ペア:

[(1, 18131288), (2, 9065644), (4, 4532822), (7, 2590184), (8, 2266411), (14, 1295092), (28, 647546), (56, 323773), (199, 91112), (398, 45556), (796, 22778), (1393, 13016), (1592, 11389), (1627, 11144), (2786, 6508), (3254, 5572)]