18988683

素因数分解:

$3^1\times 7^1\times {\mathrm{631}}^1\times {\mathrm{1433}}^1$

素因数の和:2074

約数の個数: 16

約数和(自身を含む): 29001216

約数和(自身を除く): 10012533

約数列:

[1, 3, 7, 21, 631, 1433, 1893, 4299, 4417, 10031, 13251, 30093, 904223, 2712669, 6329561, 18988683]

約数ペア:

[(1, 18988683), (3, 6329561), (7, 2712669), (21, 904223), (631, 30093), (1433, 13251), (1893, 10031), (4299, 4417)]