19995308245

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{8867099}}^1$

素因数の和:8867156

約数の個数: 16

約数和(自身を含む): 26814110400

約数和(自身を除く): 6818802155

約数列:

[1, 5, 11, 41, 55, 205, 451, 2255, 8867099, 44335495, 97538089, 363551059, 487690445, 1817755295, 3999061649, 19995308245]

約数ペア:

[(1, 19995308245), (5, 3999061649), (11, 1817755295), (41, 487690445), (55, 363551059), (205, 97538089), (451, 44335495), (2255, 8867099)]