18220496

素因数分解:

$2^4\times 7^1\times {\mathrm{162683}}^1$

素因数の和:162698

約数の個数: 20

約数和(自身を含む): 40345632

約数和(自身を除く): 22125136

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 162683, 325366, 650732, 1138781, 1301464, 2277562, 2602928, 4555124, 9110248, 18220496]

約数ペア:

[(1, 18220496), (2, 9110248), (4, 4555124), (7, 2602928), (8, 2277562), (14, 1301464), (16, 1138781), (28, 650732), (56, 325366), (112, 162683)]