19914327

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{1783}}^1$

素因数の和:1879

約数の個数: 24

約数和(自身を含む): 30891744

約数和(自身を除く): 10977417

約数列:

[1, 3, 9, 17, 51, 73, 153, 219, 657, 1241, 1783, 3723, 5349, 11169, 16047, 30311, 90933, 130159, 272799, 390477, 1171431, 2212703, 6638109, 19914327]

約数ペア:

[(1, 19914327), (3, 6638109), (9, 2212703), (17, 1171431), (51, 390477), (73, 272799), (153, 130159), (219, 90933), (657, 30311), (1241, 16047), (1783, 11169), (3723, 5349)]