19557801

素因数分解:

$3^3\times {\mathrm{211}}^1\times {\mathrm{3433}}^1$

素因数の和:3653

約数の個数: 16

約数和(自身を含む): 29120320

約数和(自身を除く): 9562519

約数列:

[1, 3, 9, 27, 211, 633, 1899, 3433, 5697, 10299, 30897, 92691, 724363, 2173089, 6519267, 19557801]

約数ペア:

[(1, 19557801), (3, 6519267), (9, 2173089), (27, 724363), (211, 92691), (633, 30897), (1899, 10299), (3433, 5697)]