19728273

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{4027}}^1$

素因数の和:4124

約数の個数: 16

約数和(自身を含む): 27841536

約数和(自身を除く): 8113263

約数列:

[1, 3, 23, 69, 71, 213, 1633, 4027, 4899, 12081, 92621, 277863, 285917, 857751, 6576091, 19728273]

約数ペア:

[(1, 19728273), (3, 6576091), (23, 857751), (69, 285917), (71, 277863), (213, 92621), (1633, 12081), (4027, 4899)]