20181993399

素因数分解:

$3^3\times {\mathrm{73}}^1\times {\mathrm{197}}^1\times {\mathrm{51977}}^1$

素因数の和:52256

約数の個数: 32

約数和(自身を含む): 30463266240

約数和(自身を除く): 10281272841

約数列:

[1, 3, 9, 27, 73, 197, 219, 591, 657, 1773, 1971, 5319, 14381, 43143, 51977, 129429, 155931, 388287, 467793, 1403379, 3794321, 10239469, 11382963, 30718407, 34148889, 92155221, 102446667, 276465663, 747481237, 2242443711, 6727331133, 20181993399]

約数ペア:

[(1, 20181993399), (3, 6727331133), (9, 2242443711), (27, 747481237), (73, 276465663), (197, 102446667), (219, 92155221), (591, 34148889), (657, 30718407), (1773, 11382963), (1971, 10239469), (5319, 3794321), (14381, 1403379), (43143, 467793), (51977, 388287), (129429, 155931)]