18005407

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{331}}^1\times {\mathrm{409}}^1$

素因数の和:766

約数の個数: 16

約数和(自身を含む): 21779200

約数和(自身を除く): 3773793

約数列:

[1, 7, 19, 133, 331, 409, 2317, 2863, 6289, 7771, 44023, 54397, 135379, 947653, 2572201, 18005407]

約数ペア:

[(1, 18005407), (7, 2572201), (19, 947653), (133, 135379), (331, 54397), (409, 44023), (2317, 7771), (2863, 6289)]