19779802

素因数分解:

$2^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{8999}}^1$

素因数の和:9165

約数の個数: 16

約数和(自身を含む): 34128000

約数和(自身を除く): 14348198

約数列:

[1, 2, 7, 14, 157, 314, 1099, 2198, 8999, 17998, 62993, 125986, 1412843, 2825686, 9889901, 19779802]

約数ペア:

[(1, 19779802), (2, 9889901), (7, 2825686), (14, 1412843), (157, 125986), (314, 62993), (1099, 17998), (2198, 8999)]