2019292891

素因数分解:

$7^2\times {\mathrm{11}}^2\times {\mathrm{340579}}^1$

素因数の和:340615

約数の個数: 18

約数和(自身を含む): 2581936980

約数和(自身を除く): 562644089

約数列:

[1, 7, 11, 49, 77, 121, 539, 847, 5929, 340579, 2384053, 3746369, 16688371, 26224583, 41210059, 183572081, 288470413, 2019292891]

約数ペア:

[(1, 2019292891), (7, 288470413), (11, 183572081), (49, 41210059), (77, 26224583), (121, 16688371), (539, 3746369), (847, 2384053), (5929, 340579)]