19684855

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{1901}}^1$

素因数の和:2034

約数の個数: 16

約数和(自身を含む): 25106400

約数和(自身を除く): 5421545

約数列:

[1, 5, 19, 95, 109, 545, 1901, 2071, 9505, 10355, 36119, 180595, 207209, 1036045, 3936971, 19684855]

約数ペア:

[(1, 19684855), (5, 3936971), (19, 1036045), (95, 207209), (109, 180595), (545, 36119), (1901, 10355), (2071, 9505)]