19315377

素因数分解:

$3^2\times {\mathrm{23}}^2\times {\mathrm{4057}}^1$

素因数の和:4109

約数の個数: 18

約数和(自身を含む): 29172962

約数和(自身を除く): 9857585

約数列:

[1, 3, 9, 23, 69, 207, 529, 1587, 4057, 4761, 12171, 36513, 93311, 279933, 839799, 2146153, 6438459, 19315377]

約数ペア:

[(1, 19315377), (3, 6438459), (9, 2146153), (23, 839799), (69, 279933), (207, 93311), (529, 36513), (1587, 12171), (4057, 4761)]