17999719916

素因数分解:

$2^2\times {\mathrm{89}}^1\times {\mathrm{50561011}}^1$

素因数の和:50561104

約数の個数: 12

約数和(自身を含む): 31853437560

約数和(自身を除く): 13853717644

約数列:

[1, 2, 4, 89, 178, 356, 50561011, 101122022, 202244044, 4499929979, 8999859958, 17999719916]

約数ペア:

[(1, 17999719916), (2, 8999859958), (4, 4499929979), (89, 202244044), (178, 101122022), (356, 50561011)]