19328589

素因数分解:

$3^2\times 7^2\times {\mathrm{41}}^1\times {\mathrm{1069}}^1$

素因数の和:1130

約数の個数: 36

約数和(自身を含む): 33300540

約数和(自身を除く): 13971951

約数列:

[1, 3, 7, 9, 21, 41, 49, 63, 123, 147, 287, 369, 441, 861, 1069, 2009, 2583, 3207, 6027, 7483, 9621, 18081, 22449, 43829, 52381, 67347, 131487, 157143, 306803, 394461, 471429, 920409, 2147621, 2761227, 6442863, 19328589]

約数ペア:

[(1, 19328589), (3, 6442863), (7, 2761227), (9, 2147621), (21, 920409), (41, 471429), (49, 394461), (63, 306803), (123, 157143), (147, 131487), (287, 67347), (369, 52381), (441, 43829), (861, 22449), (1069, 18081), (2009, 9621), (2583, 7483), (3207, 6027)]