11978854

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{7331}}^1$

素因数の和:7395

約数の個数: 16

約数和(自身を含む): 19356480

約数和(自身を除く): 7377626

約数列:

[1, 2, 19, 38, 43, 86, 817, 1634, 7331, 14662, 139289, 278578, 315233, 630466, 5989427, 11978854]

約数ペア:

[(1, 11978854), (2, 5989427), (19, 630466), (38, 315233), (43, 278578), (86, 139289), (817, 14662), (1634, 7331)]