18932661

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{31}}^2\times {\mathrm{199}}^1$

素因数の和:278

約数の個数: 36

約数和(自身を含む): 30981600

約数和(自身を除く): 12048939

約数列:

[1, 3, 9, 11, 31, 33, 93, 99, 199, 279, 341, 597, 961, 1023, 1791, 2189, 2883, 3069, 6169, 6567, 8649, 10571, 18507, 19701, 31713, 55521, 67859, 95139, 191239, 203577, 573717, 610731, 1721151, 2103629, 6310887, 18932661]

約数ペア:

[(1, 18932661), (3, 6310887), (9, 2103629), (11, 1721151), (31, 610731), (33, 573717), (93, 203577), (99, 191239), (199, 95139), (279, 67859), (341, 55521), (597, 31713), (961, 19701), (1023, 18507), (1791, 10571), (2189, 8649), (2883, 6567), (3069, 6169)]