19069640

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{11087}}^1$

素因数の和:11141

約数の個数: 32

約数和(自身を含む): 43908480

約数和(自身を除く): 24838840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 11087, 22174, 44348, 55435, 88696, 110870, 221740, 443480, 476741, 953482, 1906964, 2383705, 3813928, 4767410, 9534820, 19069640]

約数ペア:

[(1, 19069640), (2, 9534820), (4, 4767410), (5, 3813928), (8, 2383705), (10, 1906964), (20, 953482), (40, 476741), (43, 443480), (86, 221740), (172, 110870), (215, 88696), (344, 55435), (430, 44348), (860, 22174), (1720, 11087)]