19820636

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{3547}}^1$

素因数の和:3689

約数の個数: 24

約数和(自身を含む): 38148096

約数和(自身を除く): 18327460

約数列:

[1, 2, 4, 11, 22, 44, 127, 254, 508, 1397, 2794, 3547, 5588, 7094, 14188, 39017, 78034, 156068, 450469, 900938, 1801876, 4955159, 9910318, 19820636]

約数ペア:

[(1, 19820636), (2, 9910318), (4, 4955159), (11, 1801876), (22, 900938), (44, 450469), (127, 156068), (254, 78034), (508, 39017), (1397, 14188), (2794, 7094), (3547, 5588)]