18943628

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{18719}}^1$

素因数の和:18757

約数の個数: 24

約数和(自身を含む): 37739520

約数和(自身を除く): 18795892

約数列:

[1, 2, 4, 11, 22, 23, 44, 46, 92, 253, 506, 1012, 18719, 37438, 74876, 205909, 411818, 430537, 823636, 861074, 1722148, 4735907, 9471814, 18943628]

約数ペア:

[(1, 18943628), (2, 9471814), (4, 4735907), (11, 1722148), (22, 861074), (23, 823636), (44, 430537), (46, 411818), (92, 205909), (253, 74876), (506, 37438), (1012, 18719)]