20190445

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{139}}^2$

素因数の和:313

約数の個数: 24

約数和(自身を含む): 28023840

約数和(自身を除く): 7833395

約数列:

[1, 5, 11, 19, 55, 95, 139, 209, 695, 1045, 1529, 2641, 7645, 13205, 19321, 29051, 96605, 145255, 212531, 367099, 1062655, 1835495, 4038089, 20190445]

約数ペア:

[(1, 20190445), (5, 4038089), (11, 1835495), (19, 1062655), (55, 367099), (95, 212531), (139, 145255), (209, 96605), (695, 29051), (1045, 19321), (1529, 13205), (2641, 7645)]