19740567

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{881}}^1$

素因数の和:999

約数の個数: 32

約数和(自身を含む): 33191424

約数和(自身を除く): 13450857

約数列:

[1, 3, 7, 11, 21, 33, 77, 97, 231, 291, 679, 881, 1067, 2037, 2643, 3201, 6167, 7469, 9691, 18501, 22407, 29073, 67837, 85457, 203511, 256371, 598199, 940027, 1794597, 2820081, 6580189, 19740567]

約数ペア:

[(1, 19740567), (3, 6580189), (7, 2820081), (11, 1794597), (21, 940027), (33, 598199), (77, 256371), (97, 203511), (231, 85457), (291, 67837), (679, 29073), (881, 22407), (1067, 18501), (2037, 9691), (2643, 7469), (3201, 6167)]