2019021851

素因数分解:

$7^1\times {\mathrm{11}}^3\times {\mathrm{216703}}^1$

素因数の和:216743

約数の個数: 16

約数和(自身を含む): 2538037248

約数和(自身を除く): 519015397

約数列:

[1, 7, 11, 77, 121, 847, 1331, 9317, 216703, 1516921, 2383733, 16686131, 26221063, 183547441, 288431693, 2019021851]

約数ペア:

[(1, 2019021851), (7, 288431693), (11, 183547441), (77, 26221063), (121, 16686131), (847, 2383733), (1331, 1516921), (9317, 216703)]