19653909

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{1867}}^1$

素因数の和:1921

約数の個数: 24

約数和(自身を含む): 29813280

約数和(自身を除く): 10159371

約数列:

[1, 3, 11, 29, 33, 87, 121, 319, 363, 957, 1867, 3509, 5601, 10527, 20537, 54143, 61611, 162429, 225907, 595573, 677721, 1786719, 6551303, 19653909]

約数ペア:

[(1, 19653909), (3, 6551303), (11, 1786719), (29, 677721), (33, 595573), (87, 225907), (121, 162429), (319, 61611), (363, 54143), (957, 20537), (1867, 10527), (3509, 5601)]