18427743

素因数分解:

$3^4\times {\mathrm{83}}^1\times {\mathrm{2741}}^1$

素因数の和:2836

約数の個数: 20

約数和(自身を含む): 27869688

約数和(自身を除く): 9441945

約数列:

[1, 3, 9, 27, 81, 83, 249, 747, 2241, 2741, 6723, 8223, 24669, 74007, 222021, 227503, 682509, 2047527, 6142581, 18427743]

約数ペア:

[(1, 18427743), (3, 6142581), (9, 2047527), (27, 682509), (81, 227503), (83, 222021), (249, 74007), (747, 24669), (2241, 8223), (2741, 6723)]