2019201821

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{765139}}^1$

素因数の和:765188

約数の個数: 16

約数和(自身を含む): 2570870400

約数和(自身を除く): 551668579

約数列:

[1, 7, 13, 29, 91, 203, 377, 2639, 765139, 5355973, 9946807, 22189031, 69627649, 155323217, 288457403, 2019201821]

約数ペア:

[(1, 2019201821), (7, 288457403), (13, 155323217), (29, 69627649), (91, 22189031), (203, 9946807), (377, 5355973), (2639, 765139)]