19882984

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{225943}}^1$

素因数の和:225960

約数の個数: 16

約数和(自身を含む): 40669920

約数和(自身を除く): 20786936

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 225943, 451886, 903772, 1807544, 2485373, 4970746, 9941492, 19882984]

約数ペア:

[(1, 19882984), (2, 9941492), (4, 4970746), (8, 2485373), (11, 1807544), (22, 903772), (44, 451886), (88, 225943)]