19493815

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{20849}}^1$

素因数の和:20882

約数の個数: 16

約数和(自身を含む): 27021600

約数和(自身を除く): 7527785

約数列:

[1, 5, 11, 17, 55, 85, 187, 935, 20849, 104245, 229339, 354433, 1146695, 1772165, 3898763, 19493815]

約数ペア:

[(1, 19493815), (5, 3898763), (11, 1772165), (17, 1146695), (55, 354433), (85, 229339), (187, 104245), (935, 20849)]