1820182021

素因数分解:

$7^1\times {\mathrm{53}}^1\times {\mathrm{227}}^1\times {\mathrm{21613}}^1$

素因数の和:21900

約数の個数: 16

約数和(自身を含む): 2128892544

約数和(自身を除く): 308710523

約数列:

[1, 7, 53, 227, 371, 1589, 12031, 21613, 84217, 151291, 1145489, 4906151, 8018423, 34343057, 260026003, 1820182021]

約数ペア:

[(1, 1820182021), (7, 260026003), (53, 34343057), (227, 8018423), (371, 4906151), (1589, 1145489), (12031, 151291), (21613, 84217)]