18490129

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{1307}}^1$

素因数の和:1404

約数の個数: 16

約数和(自身を含む): 22099968

約数和(自身を除く): 3609839

約数列:

[1, 7, 43, 47, 301, 329, 1307, 2021, 9149, 14147, 56201, 61429, 393407, 430003, 2641447, 18490129]

約数ペア:

[(1, 18490129), (7, 2641447), (43, 430003), (47, 393407), (301, 61429), (329, 56201), (1307, 14147), (2021, 9149)]