19407123

素因数分解:

$3^2\times {\mathrm{73}}^1\times {\mathrm{109}}^1\times {\mathrm{271}}^1$

素因数の和:459

約数の個数: 24

約数和(自身を含む): 28783040

約数和(自身を除く): 9375917

約数列:

[1, 3, 9, 73, 109, 219, 271, 327, 657, 813, 981, 2439, 7957, 19783, 23871, 29539, 59349, 71613, 88617, 178047, 265851, 2156347, 6469041, 19407123]

約数ペア:

[(1, 19407123), (3, 6469041), (9, 2156347), (73, 265851), (109, 178047), (219, 88617), (271, 71613), (327, 59349), (657, 29539), (813, 23871), (981, 19783), (2439, 7957)]