2019905902

素因数分解:

$2^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{646991}}^1$

素因数の和:647223

約数の個数: 16

約数和(自身を含む): 3478228992

約数和(自身を除く): 1458323090

約数列:

[1, 2, 7, 14, 223, 446, 1561, 3122, 646991, 1293982, 4528937, 9057874, 144278993, 288557986, 1009952951, 2019905902]

約数ペア:

[(1, 2019905902), (2, 1009952951), (7, 288557986), (14, 144278993), (223, 9057874), (446, 4528937), (1561, 1293982), (3122, 646991)]