18874262

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{461}}^1\times {\mathrm{1861}}^1$

素因数の和:2335

約数の個数: 16

約数和(自身を含む): 30968784

約数和(自身を除く): 12094522

約数列:

[1, 2, 11, 22, 461, 922, 1861, 3722, 5071, 10142, 20471, 40942, 857921, 1715842, 9437131, 18874262]

約数ペア:

[(1, 18874262), (2, 9437131), (11, 1715842), (22, 857921), (461, 40942), (922, 20471), (1861, 10142), (3722, 5071)]