19679121

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{389}}^1$

素因数の和:486

約数の個数: 48

約数和(自身を含む): 36017280

約数和(自身を除く): 16338159

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 73, 77, 99, 219, 231, 389, 511, 657, 693, 803, 1167, 1533, 2409, 2723, 3501, 4279, 4599, 5621, 7227, 8169, 12837, 16863, 24507, 28397, 29953, 38511, 50589, 85191, 89859, 198779, 255573, 269577, 312367, 596337, 937101, 1789011, 2186569, 2811303, 6559707, 19679121]

約数ペア:

[(1, 19679121), (3, 6559707), (7, 2811303), (9, 2186569), (11, 1789011), (21, 937101), (33, 596337), (63, 312367), (73, 269577), (77, 255573), (99, 198779), (219, 89859), (231, 85191), (389, 50589), (511, 38511), (657, 29953), (693, 28397), (803, 24507), (1167, 16863), (1533, 12837), (2409, 8169), (2723, 7227), (3501, 5621), (4279, 4599)]