19143999

素因数分解:

$3^3\times 7^1\times {\mathrm{199}}^1\times {\mathrm{509}}^1$

素因数の和:724

約数の個数: 32

約数和(自身を含む): 32640000

約数和(自身を除く): 13496001

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 199, 509, 597, 1393, 1527, 1791, 3563, 4179, 4581, 5373, 10689, 12537, 13743, 32067, 37611, 96201, 101291, 303873, 709037, 911619, 2127111, 2734857, 6381333, 19143999]

約数ペア:

[(1, 19143999), (3, 6381333), (7, 2734857), (9, 2127111), (21, 911619), (27, 709037), (63, 303873), (189, 101291), (199, 96201), (509, 37611), (597, 32067), (1393, 13743), (1527, 12537), (1791, 10689), (3563, 5373), (4179, 4581)]