19004805

素因数分解:

$3^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{3947}}^1$

素因数の和:4065

約数の個数: 24

約数和(自身を含む): 33257952

約数和(自身を除く): 14253147

約数列:

[1, 3, 5, 9, 15, 45, 107, 321, 535, 963, 1605, 3947, 4815, 11841, 19735, 35523, 59205, 177615, 422329, 1266987, 2111645, 3800961, 6334935, 19004805]

約数ペア:

[(1, 19004805), (3, 6334935), (5, 3800961), (9, 2111645), (15, 1266987), (45, 422329), (107, 177615), (321, 59205), (535, 35523), (963, 19735), (1605, 11841), (3947, 4815)]