19880792

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{57793}}^1$

素因数の和:57842

約数の個数: 16

約数和(自身を含む): 38144040

約数和(自身を除く): 18263248

約数列:

[1, 2, 4, 8, 43, 86, 172, 344, 57793, 115586, 231172, 462344, 2485099, 4970198, 9940396, 19880792]

約数ペア:

[(1, 19880792), (2, 9940396), (4, 4970198), (8, 2485099), (43, 462344), (86, 231172), (172, 115586), (344, 57793)]