2019743984

素因数分解:

$2^4\times {\mathrm{107}}^1\times {\mathrm{1179757}}^1$

素因数の和:1179872

約数の個数: 20

約数和(自身を含む): 3949829784

約数和(自身を除く): 1930085800

約数列:

[1, 2, 4, 8, 16, 107, 214, 428, 856, 1712, 1179757, 2359514, 4719028, 9438056, 18876112, 126233999, 252467998, 504935996, 1009871992, 2019743984]

約数ペア:

[(1, 2019743984), (2, 1009871992), (4, 504935996), (8, 252467998), (16, 126233999), (107, 18876112), (214, 9438056), (428, 4719028), (856, 2359514), (1712, 1179757)]