19481661

素因数分解:

$3^3\times {\mathrm{449}}^1\times {\mathrm{1607}}^1$

素因数の和:2065

約数の個数: 16

約数和(自身を含む): 28944000

約数和(自身を除く): 9462339

約数列:

[1, 3, 9, 27, 449, 1347, 1607, 4041, 4821, 12123, 14463, 43389, 721543, 2164629, 6493887, 19481661]

約数ペア:

[(1, 19481661), (3, 6493887), (9, 2164629), (27, 721543), (449, 43389), (1347, 14463), (1607, 12123), (4041, 4821)]