19975023

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{587}}^1$

素因数の和:811

約数の個数: 24

約数和(自身を含む): 30576000

約数和(自身を除く): 10600977

約数列:

[1, 3, 9, 19, 57, 171, 199, 587, 597, 1761, 1791, 3781, 5283, 11153, 11343, 33459, 34029, 100377, 116813, 350439, 1051317, 2219447, 6658341, 19975023]

約数ペア:

[(1, 19975023), (3, 6658341), (9, 2219447), (19, 1051317), (57, 350439), (171, 116813), (199, 100377), (587, 34029), (597, 33459), (1761, 11343), (1791, 11153), (3781, 5283)]