18869697

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{373}}^1$

素因数の和:470

約数の個数: 48

約数和(自身を含む): 34539648

約数和(自身を除く): 15669951

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 73, 77, 99, 219, 231, 373, 511, 657, 693, 803, 1119, 1533, 2409, 2611, 3357, 4103, 4599, 5621, 7227, 7833, 12309, 16863, 23499, 27229, 28721, 36927, 50589, 81687, 86163, 190603, 245061, 258489, 299519, 571809, 898557, 1715427, 2096633, 2695671, 6289899, 18869697]

約数ペア:

[(1, 18869697), (3, 6289899), (7, 2695671), (9, 2096633), (11, 1715427), (21, 898557), (33, 571809), (63, 299519), (73, 258489), (77, 245061), (99, 190603), (219, 86163), (231, 81687), (373, 50589), (511, 36927), (657, 28721), (693, 27229), (803, 23499), (1119, 16863), (1533, 12309), (2409, 7833), (2611, 7227), (3357, 5621), (4103, 4599)]