19315863

素因数分解:

$3^2\times 7^1\times {\mathrm{257}}^1\times {\mathrm{1193}}^1$

素因数の和:1463

約数の個数: 24

約数和(自身を含む): 32037408

約数和(自身を除く): 12721545

約数列:

[1, 3, 7, 9, 21, 63, 257, 771, 1193, 1799, 2313, 3579, 5397, 8351, 10737, 16191, 25053, 75159, 306601, 919803, 2146207, 2759409, 6438621, 19315863]

約数ペア:

[(1, 19315863), (3, 6438621), (7, 2759409), (9, 2146207), (21, 919803), (63, 306601), (257, 75159), (771, 25053), (1193, 16191), (1799, 10737), (2313, 8351), (3579, 5397)]