1821712

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{2777}}^1$

素因数の和:2826

約数の個数: 20

約数和(自身を含む): 3616956

約数和(自身を除く): 1795244

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 2777, 5554, 11108, 22216, 44432, 113857, 227714, 455428, 910856, 1821712]

約数ペア:

[(1, 1821712), (2, 910856), (4, 455428), (8, 227714), (16, 113857), (41, 44432), (82, 22216), (164, 11108), (328, 5554), (656, 2777)]