2019957905

素因数分解:

$5^1\times 7^1\times {\mathrm{349}}^1\times {\mathrm{165367}}^1$

素因数の和:165728

約数の個数: 16

約数和(自身を含む): 2778182400

約数和(自身を除く): 758224495

約数列:

[1, 5, 7, 35, 349, 1745, 2443, 12215, 165367, 826835, 1157569, 5787845, 57713083, 288565415, 403991581, 2019957905]

約数ペア:

[(1, 2019957905), (5, 403991581), (7, 288565415), (35, 57713083), (349, 5787845), (1745, 1157569), (2443, 826835), (12215, 165367)]