19160725

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{709}}^1$

素因数の和:789

約数の個数: 24

約数和(自身を含む): 25355520

約数和(自身を除く): 6194795

約数列:

[1, 5, 23, 25, 47, 115, 235, 575, 709, 1081, 1175, 3545, 5405, 16307, 17725, 27025, 33323, 81535, 166615, 407675, 766429, 833075, 3832145, 19160725]

約数ペア:

[(1, 19160725), (5, 3832145), (23, 833075), (25, 766429), (47, 407675), (115, 166615), (235, 81535), (575, 33323), (709, 27025), (1081, 17725), (1175, 16307), (3545, 5405)]