18891332

素因数分解:

$2^2\times {\mathrm{97}}^1\times {\mathrm{181}}^1\times {\mathrm{269}}^1$

素因数の和:551

約数の個数: 24

約数和(自身を含む): 33710040

約数和(自身を除く): 14818708

約数列:

[1, 2, 4, 97, 181, 194, 269, 362, 388, 538, 724, 1076, 17557, 26093, 35114, 48689, 52186, 70228, 97378, 104372, 194756, 4722833, 9445666, 18891332]

約数ペア:

[(1, 18891332), (2, 9445666), (4, 4722833), (97, 194756), (181, 104372), (194, 97378), (269, 70228), (362, 52186), (388, 48689), (538, 35114), (724, 26093), (1076, 17557)]