18791055

素因数分解:

$3^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{1277}}^1$

素因数の和:1400

約数の個数: 32

約数和(自身を含む): 33739200

約数和(自身を除く): 14948145

約数列:

[1, 3, 5, 9, 15, 27, 45, 109, 135, 327, 545, 981, 1277, 1635, 2943, 3831, 4905, 6385, 11493, 14715, 19155, 34479, 57465, 139193, 172395, 417579, 695965, 1252737, 2087895, 3758211, 6263685, 18791055]

約数ペア:

[(1, 18791055), (3, 6263685), (5, 3758211), (9, 2087895), (15, 1252737), (27, 695965), (45, 417579), (109, 172395), (135, 139193), (327, 57465), (545, 34479), (981, 19155), (1277, 14715), (1635, 11493), (2943, 6385), (3831, 4905)]