2019794704

素因数分解:

$2^4\times {\mathrm{809}}^1\times {\mathrm{156041}}^1$

素因数の和:156858

約数の個数: 20

約数和(自身を含む): 3918214620

約数和(自身を除く): 1898419916

約数列:

[1, 2, 4, 8, 16, 809, 1618, 3236, 6472, 12944, 156041, 312082, 624164, 1248328, 2496656, 126237169, 252474338, 504948676, 1009897352, 2019794704]

約数ペア:

[(1, 2019794704), (2, 1009897352), (4, 504948676), (8, 252474338), (16, 126237169), (809, 2496656), (1618, 1248328), (3236, 624164), (6472, 312082), (12944, 156041)]