20190188

素因数分解:

$2^2\times {\mathrm{79}}^1\times {\mathrm{181}}^1\times {\mathrm{353}}^1$

素因数の和:617

約数の個数: 24

約数和(自身を含む): 36079680

約数和(自身を除く): 15889492

約数列:

[1, 2, 4, 79, 158, 181, 316, 353, 362, 706, 724, 1412, 14299, 27887, 28598, 55774, 57196, 63893, 111548, 127786, 255572, 5047547, 10095094, 20190188]

約数ペア:

[(1, 20190188), (2, 10095094), (4, 5047547), (79, 255572), (158, 127786), (181, 111548), (316, 63893), (353, 57196), (362, 55774), (706, 28598), (724, 27887), (1412, 14299)]