11981858

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{23131}}^1$

素因数の和:23177

約数の個数: 16

約数和(自身を含む): 21096384

約数和(自身を除く): 9114526

約数列:

[1, 2, 7, 14, 37, 74, 259, 518, 23131, 46262, 161917, 323834, 855847, 1711694, 5990929, 11981858]

約数ペア:

[(1, 11981858), (2, 5990929), (7, 1711694), (14, 855847), (37, 323834), (74, 161917), (259, 46262), (518, 23131)]