19386423

素因数分解:

$3^2\times 7^1\times {\mathrm{127}}^1\times {\mathrm{2423}}^1$

素因数の和:2563

約数の個数: 24

約数和(自身を含む): 32268288

約数和(自身を除く): 12881865

約数列:

[1, 3, 7, 9, 21, 63, 127, 381, 889, 1143, 2423, 2667, 7269, 8001, 16961, 21807, 50883, 152649, 307721, 923163, 2154047, 2769489, 6462141, 19386423]

約数ペア:

[(1, 19386423), (3, 6462141), (7, 2769489), (9, 2154047), (21, 923163), (63, 307721), (127, 152649), (381, 50883), (889, 21807), (1143, 16961), (2423, 8001), (2667, 7269)]