18640773

素因数分解:

$3^5\times {\mathrm{41}}^1\times {\mathrm{1871}}^1$

素因数の和:1927

約数の個数: 24

約数和(自身を含む): 28619136

約数和(自身を除く): 9978363

約数列:

[1, 3, 9, 27, 41, 81, 123, 243, 369, 1107, 1871, 3321, 5613, 9963, 16839, 50517, 76711, 151551, 230133, 454653, 690399, 2071197, 6213591, 18640773]

約数ペア:

[(1, 18640773), (3, 6213591), (9, 2071197), (27, 690399), (41, 454653), (81, 230133), (123, 151551), (243, 76711), (369, 50517), (1107, 16839), (1871, 9963), (3321, 5613)]