18199216

素因数分解:

$2^4\times 7^1\times {\mathrm{162493}}^1$

素因数の和:162508

約数の個数: 20

約数和(自身を含む): 40298512

約数和(自身を除く): 22099296

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 162493, 324986, 649972, 1137451, 1299944, 2274902, 2599888, 4549804, 9099608, 18199216]

約数ペア:

[(1, 18199216), (2, 9099608), (4, 4549804), (7, 2599888), (8, 2274902), (14, 1299944), (16, 1137451), (28, 649972), (56, 324986), (112, 162493)]