19388439

素因数分解:

$3^2\times 7^1\times {\mathrm{467}}^1\times {\mathrm{659}}^1$

素因数の和:1139

約数の個数: 24

約数和(自身を含む): 32123520

約数和(自身を除く): 12735081

約数列:

[1, 3, 7, 9, 21, 63, 467, 659, 1401, 1977, 3269, 4203, 4613, 5931, 9807, 13839, 29421, 41517, 307753, 923259, 2154271, 2769777, 6462813, 19388439]

約数ペア:

[(1, 19388439), (3, 6462813), (7, 2769777), (9, 2154271), (21, 923259), (63, 307753), (467, 41517), (659, 29421), (1401, 13839), (1977, 9807), (3269, 5931), (4203, 4613)]