18423307

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{631}}^1$

素因数の和:778

約数の個数: 16

約数和(自身を含む): 21801472

約数和(自身を除く): 3378165

約数列:

[1, 7, 43, 97, 301, 631, 679, 4171, 4417, 27133, 29197, 61207, 189931, 428449, 2631901, 18423307]

約数ペア:

[(1, 18423307), (7, 2631901), (43, 428449), (97, 189931), (301, 61207), (631, 29197), (679, 27133), (4171, 4417)]