19705653

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{1543}}^1$

素因数の和:1606

約数の個数: 32

約数和(自身を含む): 32609280

約数和(自身を除く): 12903627

約数列:

[1, 3, 9, 11, 27, 33, 43, 99, 129, 297, 387, 473, 1161, 1419, 1543, 4257, 4629, 12771, 13887, 16973, 41661, 50919, 66349, 152757, 199047, 458271, 597141, 729839, 1791423, 2189517, 6568551, 19705653]

約数ペア:

[(1, 19705653), (3, 6568551), (9, 2189517), (11, 1791423), (27, 729839), (33, 597141), (43, 458271), (99, 199047), (129, 152757), (297, 66349), (387, 50919), (473, 41661), (1161, 16973), (1419, 13887), (1543, 12771), (4257, 4629)]