19605905

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{193}}^1\times {\mathrm{1847}}^1$

素因数の和:2056

約数の個数: 16

約数和(自身を含む): 25812864

約数和(自身を除く): 6206959

約数列:

[1, 5, 11, 55, 193, 965, 1847, 2123, 9235, 10615, 20317, 101585, 356471, 1782355, 3921181, 19605905]

約数ペア:

[(1, 19605905), (5, 3921181), (11, 1782355), (55, 356471), (193, 101585), (965, 20317), (1847, 10615), (2123, 9235)]