18940719

素因数分解:

$3^1\times 7^1\times {\mathrm{433}}^1\times {\mathrm{2083}}^1$

素因数の和:2526

約数の個数: 16

約数和(自身を含む): 28942592

約数和(自身を除く): 10001873

約数列:

[1, 3, 7, 21, 433, 1299, 2083, 3031, 6249, 9093, 14581, 43743, 901939, 2705817, 6313573, 18940719]

約数ペア:

[(1, 18940719), (3, 6313573), (7, 2705817), (21, 901939), (433, 43743), (1299, 14581), (2083, 9093), (3031, 6249)]