18969489

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{883}}^1$

素因数の和:938

約数の個数: 48

約数和(自身を含む): 35303424

約数和(自身を除く): 16333935

約数列:

[1, 3, 7, 9, 11, 21, 31, 33, 63, 77, 93, 99, 217, 231, 279, 341, 651, 693, 883, 1023, 1953, 2387, 2649, 3069, 6181, 7161, 7947, 9713, 18543, 21483, 27373, 29139, 55629, 67991, 82119, 87417, 191611, 203973, 246357, 301103, 574833, 611919, 903309, 1724499, 2107721, 2709927, 6323163, 18969489]

約数ペア:

[(1, 18969489), (3, 6323163), (7, 2709927), (9, 2107721), (11, 1724499), (21, 903309), (31, 611919), (33, 574833), (63, 301103), (77, 246357), (93, 203973), (99, 191611), (217, 87417), (231, 82119), (279, 67991), (341, 55629), (651, 29139), (693, 27373), (883, 21483), (1023, 18543), (1953, 9713), (2387, 7947), (2649, 7161), (3069, 6181)]