19787024

素因数分解:

$2^4\times {\mathrm{157}}^1\times {\mathrm{7877}}^1$

素因数の和:8042

約数の個数: 20

約数和(自身を含む): 38586444

約数和(自身を除く): 18799420

約数列:

[1, 2, 4, 8, 16, 157, 314, 628, 1256, 2512, 7877, 15754, 31508, 63016, 126032, 1236689, 2473378, 4946756, 9893512, 19787024]

約数ペア:

[(1, 19787024), (2, 9893512), (4, 4946756), (8, 2473378), (16, 1236689), (157, 126032), (314, 63016), (628, 31508), (1256, 15754), (2512, 7877)]