19621745

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{2111}}^1$

素因数の和:2153

約数の個数: 24

約数和(自身を含む): 27827712

約数和(自身を除く): 8205967

約数列:

[1, 5, 11, 13, 55, 65, 143, 169, 715, 845, 1859, 2111, 9295, 10555, 23221, 27443, 116105, 137215, 301873, 356759, 1509365, 1783795, 3924349, 19621745]

約数ペア:

[(1, 19621745), (5, 3924349), (11, 1783795), (13, 1509365), (55, 356759), (65, 301873), (143, 137215), (169, 116105), (715, 27443), (845, 23221), (1859, 10555), (2111, 9295)]