18396280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{65701}}^1$

素因数の和:65719

約数の個数: 32

約数和(自身を含む): 47305440

約数和(自身を除く): 28909160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 65701, 131402, 262804, 328505, 459907, 525608, 657010, 919814, 1314020, 1839628, 2299535, 2628040, 3679256, 4599070, 9198140, 18396280]

約数ペア:

[(1, 18396280), (2, 9198140), (4, 4599070), (5, 3679256), (7, 2628040), (8, 2299535), (10, 1839628), (14, 1314020), (20, 919814), (28, 657010), (35, 525608), (40, 459907), (56, 328505), (70, 262804), (140, 131402), (280, 65701)]