2019980530

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{2845043}}^1$

素因数の和:2845121

約数の個数: 16

約数和(自身を含む): 3687177024

約数和(自身を除く): 1667196494

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 2845043, 5690086, 14225215, 28450430, 201998053, 403996106, 1009990265, 2019980530]

約数ペア:

[(1, 2019980530), (2, 1009990265), (5, 403996106), (10, 201998053), (71, 28450430), (142, 14225215), (355, 5690086), (710, 2845043)]