19185991

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{2239}}^1$

素因数の和:2310

約数の個数: 16

約数和(自身を含む): 22579200

約数和(自身を除く): 3393209

約数列:

[1, 11, 19, 41, 209, 451, 779, 2239, 8569, 24629, 42541, 91799, 467951, 1009789, 1744181, 19185991]

約数ペア:

[(1, 19185991), (11, 1744181), (19, 1009789), (41, 467951), (209, 91799), (451, 42541), (779, 24629), (2239, 8569)]