18788033

素因数分解:

${\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1$

素因数の和:245

約数の個数: 24

約数和(自身を含む): 22190784

約数和(自身を除く): 3402751

約数列:

[1, 11, 23, 43, 121, 157, 253, 473, 989, 1727, 2783, 3611, 5203, 6751, 10879, 18997, 39721, 74261, 119669, 155273, 436931, 816871, 1708003, 18788033]

約数ペア:

[(1, 18788033), (11, 1708003), (23, 816871), (43, 436931), (121, 155273), (157, 119669), (253, 74261), (473, 39721), (989, 18997), (1727, 10879), (2783, 6751), (3611, 5203)]