20189593061

素因数分解:

${\mathrm{11}}^2\times {\mathrm{101}}^1\times {\mathrm{131}}^1\times {\mathrm{12611}}^1$

素因数の和:12865

約数の個数: 24

約数和(自身を含む): 22584459744

約数和(自身を除く): 2394866683

約数列:

[1, 11, 101, 121, 131, 1111, 1441, 12221, 12611, 13231, 15851, 138721, 145541, 1273711, 1525931, 1600951, 1652041, 14010821, 18172451, 154119031, 166856141, 199896961, 1835417551, 20189593061]

約数ペア:

[(1, 20189593061), (11, 1835417551), (101, 199896961), (121, 166856141), (131, 154119031), (1111, 18172451), (1441, 14010821), (12221, 1652041), (12611, 1600951), (13231, 1525931), (15851, 1273711), (138721, 145541)]