25198864

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{82891}}^1$

素因数の和:82918

約数の個数: 20

約数和(自身を含む): 51393040

約数和(自身を除く): 26194176

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 82891, 165782, 331564, 663128, 1326256, 1574929, 3149858, 6299716, 12599432, 25198864]

約数ペア:

[(1, 25198864), (2, 12599432), (4, 6299716), (8, 3149858), (16, 1574929), (19, 1326256), (38, 663128), (76, 331564), (152, 165782), (304, 82891)]