19033119

素因数分解:

$3^2\times 7^2\times {\mathrm{43159}}^1$

素因数の和:43179

約数の個数: 18

約数和(自身を含む): 31981560

約数和(自身を除く): 12948441

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 43159, 129477, 302113, 388431, 906339, 2114791, 2719017, 6344373, 19033119]

約数ペア:

[(1, 19033119), (3, 6344373), (7, 2719017), (9, 2114791), (21, 906339), (49, 388431), (63, 302113), (147, 129477), (441, 43159)]