2019979670

素因数分解:

$2^1\times 5^1\times {\mathrm{397}}^1\times {\mathrm{508811}}^1$

素因数の和:509215

約数の個数: 16

約数和(自身を含む): 3645129168

約数和(自身を除く): 1625149498

約数列:

[1, 2, 5, 10, 397, 794, 1985, 3970, 508811, 1017622, 2544055, 5088110, 201997967, 403995934, 1009989835, 2019979670]

約数ペア:

[(1, 2019979670), (2, 1009989835), (5, 403995934), (10, 201997967), (397, 5088110), (794, 2544055), (1985, 1017622), (3970, 508811)]