1821988088

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{112691}}^1$

素因数の和:112787

約数の個数: 32

約数和(自身を含む): 3570082560

約数和(自身を除く): 1748094472

約数列:

[1, 2, 4, 8, 43, 47, 86, 94, 172, 188, 344, 376, 2021, 4042, 8084, 16168, 112691, 225382, 450764, 901528, 4845713, 5296477, 9691426, 10592954, 19382852, 21185908, 38765704, 42371816, 227748511, 455497022, 910994044, 1821988088]

約数ペア:

[(1, 1821988088), (2, 910994044), (4, 455497022), (8, 227748511), (43, 42371816), (47, 38765704), (86, 21185908), (94, 19382852), (172, 10592954), (188, 9691426), (344, 5296477), (376, 4845713), (2021, 901528), (4042, 450764), (8084, 225382), (16168, 112691)]