51646864

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{169891}}^1$

素因数の和:169918

約数の個数: 20

約数和(自身を含む): 105333040

約数和(自身を除く): 53686176

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 169891, 339782, 679564, 1359128, 2718256, 3227929, 6455858, 12911716, 25823432, 51646864]

約数ペア:

[(1, 51646864), (2, 25823432), (4, 12911716), (8, 6455858), (16, 3227929), (19, 2718256), (38, 1359128), (76, 679564), (152, 339782), (304, 169891)]