18551709

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{151}}^1$

素因数の和:258

約数の個数: 48

約数和(自身を含む): 31584384

約数和(自身を除く): 13032675

約数列:

[1, 3, 9, 11, 17, 33, 51, 73, 99, 151, 153, 187, 219, 453, 561, 657, 803, 1241, 1359, 1661, 1683, 2409, 2567, 3723, 4983, 7227, 7701, 11023, 11169, 13651, 14949, 23103, 28237, 33069, 40953, 84711, 99207, 121253, 122859, 187391, 254133, 363759, 562173, 1091277, 1686519, 2061301, 6183903, 18551709]

約数ペア:

[(1, 18551709), (3, 6183903), (9, 2061301), (11, 1686519), (17, 1091277), (33, 562173), (51, 363759), (73, 254133), (99, 187391), (151, 122859), (153, 121253), (187, 99207), (219, 84711), (453, 40953), (561, 33069), (657, 28237), (803, 23103), (1241, 14949), (1359, 13651), (1661, 11169), (1683, 11023), (2409, 7701), (2567, 7227), (3723, 4983)]