18219212

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{37643}}^1$

素因数の和:37669

約数の個数: 18

約数和(自身を含む): 35046564

約数和(自身を除く): 16827352

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 37643, 75286, 150572, 414073, 828146, 1656292, 4554803, 9109606, 18219212]

約数ペア:

[(1, 18219212), (2, 9109606), (4, 4554803), (11, 1656292), (22, 828146), (44, 414073), (121, 150572), (242, 75286), (484, 37643)]