18855628

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{3083}}^1$

素因数の和:3237

約数の個数: 24

約数和(自身を含む): 36267840

約数和(自身を除く): 17412212

約数列:

[1, 2, 4, 11, 22, 44, 139, 278, 556, 1529, 3058, 3083, 6116, 6166, 12332, 33913, 67826, 135652, 428537, 857074, 1714148, 4713907, 9427814, 18855628]

約数ペア:

[(1, 18855628), (2, 9427814), (4, 4713907), (11, 1714148), (22, 857074), (44, 428537), (139, 135652), (278, 67826), (556, 33913), (1529, 12332), (3058, 6166), (3083, 6116)]