19961288

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{58027}}^1$

素因数の和:58076

約数の個数: 16

約数和(自身を含む): 38298480

約数和(自身を除く): 18337192

約数列:

[1, 2, 4, 8, 43, 86, 172, 344, 58027, 116054, 232108, 464216, 2495161, 4990322, 9980644, 19961288]

約数ペア:

[(1, 19961288), (2, 9980644), (4, 4990322), (8, 2495161), (43, 464216), (86, 232108), (172, 116054), (344, 58027)]