19945508

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{19709}}^1$

素因数の和:19747

約数の個数: 24

約数和(自身を含む): 39735360

約数和(自身を除く): 19789852

約数列:

[1, 2, 4, 11, 22, 23, 44, 46, 92, 253, 506, 1012, 19709, 39418, 78836, 216799, 433598, 453307, 867196, 906614, 1813228, 4986377, 9972754, 19945508]

約数ペア:

[(1, 19945508), (2, 9972754), (4, 4986377), (11, 1813228), (22, 906614), (23, 867196), (44, 453307), (46, 433598), (92, 216799), (253, 78836), (506, 39418), (1012, 19709)]