19393941

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^4$

素因数の和:134

約数の個数: 20

約数和(自身を含む): 30537760

約数和(自身を除く): 11143819

約数列:

[1, 3, 7, 21, 31, 93, 217, 651, 961, 2883, 6727, 20181, 29791, 89373, 208537, 625611, 923521, 2770563, 6464647, 19393941]

約数ペア:

[(1, 19393941), (3, 6464647), (7, 2770563), (21, 923521), (31, 625611), (93, 208537), (217, 89373), (651, 29791), (961, 20181), (2883, 6727)]