18427857

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{28307}}^1$

素因数の和:28348

約数の個数: 16

約数和(自身を含む): 28987392

約数和(自身を除く): 10559535

約数列:

[1, 3, 7, 21, 31, 93, 217, 651, 28307, 84921, 198149, 594447, 877517, 2632551, 6142619, 18427857]

約数ペア:

[(1, 18427857), (3, 6142619), (7, 2632551), (21, 877517), (31, 594447), (93, 198149), (217, 84921), (651, 28307)]