18417212

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{641}}^1\times {\mathrm{653}}^1$

素因数の和:1309

約数の個数: 24

約数和(自身を含む): 35268912

約数和(自身を除く): 16851700

約数列:

[1, 2, 4, 11, 22, 44, 641, 653, 1282, 1306, 2564, 2612, 7051, 7183, 14102, 14366, 28204, 28732, 418573, 837146, 1674292, 4604303, 9208606, 18417212]

約数ペア:

[(1, 18417212), (2, 9208606), (4, 4604303), (11, 1674292), (22, 837146), (44, 418573), (641, 28732), (653, 28204), (1282, 14366), (1306, 14102), (2564, 7183), (2612, 7051)]