19291280

素因数分解:

$2^4\times 5^1\times {\mathrm{241141}}^1$

素因数の和:241154

約数の個数: 20

約数和(自身を含む): 44852412

約数和(自身を除く): 25561132

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 241141, 482282, 964564, 1205705, 1929128, 2411410, 3858256, 4822820, 9645640, 19291280]

約数ペア:

[(1, 19291280), (2, 9645640), (4, 4822820), (5, 3858256), (8, 2411410), (10, 1929128), (16, 1205705), (20, 964564), (40, 482282), (80, 241141)]