18814503

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{4649}}^1$

素因数の和:4742

約数の個数: 16

約数和(自身を含む): 26784000

約数和(自身を除く): 7969497

約数列:

[1, 3, 19, 57, 71, 213, 1349, 4047, 4649, 13947, 88331, 264993, 330079, 990237, 6271501, 18814503]

約数ペア:

[(1, 18814503), (3, 6271501), (19, 990237), (57, 330079), (71, 264993), (213, 88331), (1349, 13947), (4047, 4649)]