2018861870

素因数分解:

$2^1\times 5^1\times {\mathrm{277}}^1\times {\mathrm{728831}}^1$

素因数の和:729115

約数の個数: 16

約数和(自身を含む): 3647075328

約数和(自身を除く): 1628213458

約数列:

[1, 2, 5, 10, 277, 554, 1385, 2770, 728831, 1457662, 3644155, 7288310, 201886187, 403772374, 1009430935, 2018861870]

約数ペア:

[(1, 2018861870), (2, 1009430935), (5, 403772374), (10, 201886187), (277, 7288310), (554, 3644155), (1385, 1457662), (2770, 728831)]