19652841

素因数分解:

$3^3\times {\mathrm{13}}^2\times {\mathrm{59}}^1\times {\mathrm{73}}^1$

素因数の和:167

約数の個数: 48

約数和(自身を含む): 32500800

約数和(自身を除く): 12847959

約数列:

[1, 3, 9, 13, 27, 39, 59, 73, 117, 169, 177, 219, 351, 507, 531, 657, 767, 949, 1521, 1593, 1971, 2301, 2847, 4307, 4563, 6903, 8541, 9971, 12337, 12921, 20709, 25623, 29913, 37011, 38763, 55991, 89739, 111033, 116289, 167973, 269217, 333099, 503919, 727883, 1511757, 2183649, 6550947, 19652841]

約数ペア:

[(1, 19652841), (3, 6550947), (9, 2183649), (13, 1511757), (27, 727883), (39, 503919), (59, 333099), (73, 269217), (117, 167973), (169, 116289), (177, 111033), (219, 89739), (351, 55991), (507, 38763), (531, 37011), (657, 29913), (767, 25623), (949, 20709), (1521, 12921), (1593, 12337), (1971, 9971), (2301, 8541), (2847, 6903), (4307, 4563)]