18935564

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{1319}}^1$

素因数の和:1457

約数の個数: 24

約数和(自身を含む): 34409760

約数和(自身を除く): 15474196

約数列:

[1, 2, 4, 37, 74, 97, 148, 194, 388, 1319, 2638, 3589, 5276, 7178, 14356, 48803, 97606, 127943, 195212, 255886, 511772, 4733891, 9467782, 18935564]

約数ペア:

[(1, 18935564), (2, 9467782), (4, 4733891), (37, 511772), (74, 255886), (97, 195212), (148, 127943), (194, 97606), (388, 48803), (1319, 14356), (2638, 7178), (3589, 5276)]