18699213

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{4481}}^1$

素因数の和:4604

約数の個数: 16

約数和(自身を含む): 27107136

約数和(自身を除く): 8407923

約数列:

[1, 3, 13, 39, 107, 321, 1391, 4173, 4481, 13443, 58253, 174759, 479467, 1438401, 6233071, 18699213]

約数ペア:

[(1, 18699213), (3, 6233071), (13, 1438401), (39, 479467), (107, 174759), (321, 58253), (1391, 13443), (4173, 4481)]