28667732

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{19853}}^1$

素因数の和:19895

約数の個数: 18

約数和(自身を含む): 52950618

約数和(自身を除く): 24282886

約数列:

[1, 2, 4, 19, 38, 76, 361, 722, 1444, 19853, 39706, 79412, 377207, 754414, 1508828, 7166933, 14333866, 28667732]

約数ペア:

[(1, 28667732), (2, 14333866), (4, 7166933), (19, 1508828), (38, 754414), (76, 377207), (361, 79412), (722, 39706), (1444, 19853)]