19704087

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{769}}^1$

素因数の和:864

約数の個数: 32

約数和(自身を含む): 31908800

約数和(自身を除く): 12204713

約数列:

[1, 3, 9, 13, 27, 39, 73, 117, 219, 351, 657, 769, 949, 1971, 2307, 2847, 6921, 8541, 9997, 20763, 25623, 29991, 56137, 89973, 168411, 269919, 505233, 729781, 1515699, 2189343, 6568029, 19704087]

約数ペア:

[(1, 19704087), (3, 6568029), (9, 2189343), (13, 1515699), (27, 729781), (39, 505233), (73, 269919), (117, 168411), (219, 89973), (351, 56137), (657, 29991), (769, 25623), (949, 20763), (1971, 9997), (2307, 8541), (2847, 6921)]