19691703

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{251}}^1\times {\mathrm{379}}^1$

素因数の和:659

約数の個数: 24

約数和(自身を含む): 29877120

約数和(自身を除く): 10185417

約数列:

[1, 3, 9, 23, 69, 207, 251, 379, 753, 1137, 2259, 3411, 5773, 8717, 17319, 26151, 51957, 78453, 95129, 285387, 856161, 2187967, 6563901, 19691703]

約数ペア:

[(1, 19691703), (3, 6563901), (9, 2187967), (23, 856161), (69, 285387), (207, 95129), (251, 78453), (379, 51957), (753, 26151), (1137, 17319), (2259, 8717), (3411, 5773)]