19653021

素因数分解:

$3^2\times {\mathrm{43}}^2\times {\mathrm{1181}}^1$

素因数の和:1273

約数の個数: 18

約数和(自身を含む): 29087838

約数和(自身を除く): 9434817

約数列:

[1, 3, 9, 43, 129, 387, 1181, 1849, 3543, 5547, 10629, 16641, 50783, 152349, 457047, 2183669, 6551007, 19653021]

約数ペア:

[(1, 19653021), (3, 6551007), (9, 2183669), (43, 457047), (129, 152349), (387, 50783), (1181, 16641), (1849, 10629), (3543, 5547)]