19182429

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{97}}^1$

素因数の和:226

約数の個数: 48

約数和(自身を含む): 33185152

約数和(自身を除く): 14002723

約数列:

[1, 3, 7, 9, 21, 43, 63, 73, 97, 129, 219, 291, 301, 387, 511, 657, 679, 873, 903, 1533, 2037, 2709, 3139, 4171, 4599, 6111, 7081, 9417, 12513, 21243, 21973, 28251, 29197, 37539, 49567, 63729, 65919, 87591, 148701, 197757, 262773, 304483, 446103, 913449, 2131381, 2740347, 6394143, 19182429]

約数ペア:

[(1, 19182429), (3, 6394143), (7, 2740347), (9, 2131381), (21, 913449), (43, 446103), (63, 304483), (73, 262773), (97, 197757), (129, 148701), (219, 87591), (291, 65919), (301, 63729), (387, 49567), (511, 37539), (657, 29197), (679, 28251), (873, 21973), (903, 21243), (1533, 12513), (2037, 9417), (2709, 7081), (3139, 6111), (4171, 4599)]