19640511

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{6841}}^1$

素因数の和:6887

約数の個数: 24

約数和(自身を含む): 32020560

約数和(自身を除く): 12380049

約数列:

[1, 3, 9, 11, 29, 33, 87, 99, 261, 319, 957, 2871, 6841, 20523, 61569, 75251, 198389, 225753, 595167, 677259, 1785501, 2182279, 6546837, 19640511]

約数ペア:

[(1, 19640511), (3, 6546837), (9, 2182279), (11, 1785501), (29, 677259), (33, 595167), (87, 225753), (99, 198389), (261, 75251), (319, 61569), (957, 20523), (2871, 6841)]