2019949916

素因数分解:

$2^2\times {\mathrm{997}}^1\times {\mathrm{506507}}^1$

素因数の和:507508

約数の個数: 12

約数和(自身を含む): 3538464888

約数和(自身を除く): 1518514972

約数列:

[1, 2, 4, 997, 1994, 3988, 506507, 1013014, 2026028, 504987479, 1009974958, 2019949916]

約数ペア:

[(1, 2019949916), (2, 1009974958), (4, 504987479), (997, 2026028), (1994, 1013014), (3988, 506507)]