19954473

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{7853}}^1$

素因数の和:7885

約数の個数: 24

約数和(自身を含む): 33426624

約数和(自身を除く): 13472151

約数列:

[1, 3, 7, 11, 21, 33, 77, 121, 231, 363, 847, 2541, 7853, 23559, 54971, 86383, 164913, 259149, 604681, 950213, 1814043, 2850639, 6651491, 19954473]

約数ペア:

[(1, 19954473), (3, 6651491), (7, 2850639), (11, 1814043), (21, 950213), (33, 604681), (77, 259149), (121, 164913), (231, 86383), (363, 54971), (847, 23559), (2541, 7853)]