19777959

素因数分解:

$3^3\times {\mathrm{347}}^1\times {\mathrm{2111}}^1$

素因数の和:2467

約数の個数: 16

約数和(自身を含む): 29399040

約数和(自身を除く): 9621081

約数列:

[1, 3, 9, 27, 347, 1041, 2111, 3123, 6333, 9369, 18999, 56997, 732517, 2197551, 6592653, 19777959]

約数ペア:

[(1, 19777959), (3, 6592653), (9, 2197551), (27, 732517), (347, 56997), (1041, 18999), (2111, 9369), (3123, 6333)]