19809207

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{2741}}^1$

素因数の和:2831

約数の個数: 24

約数和(自身を含む): 31653648

約数和(自身を除く): 11844441

約数列:

[1, 3, 9, 11, 33, 73, 99, 219, 657, 803, 2409, 2741, 7227, 8223, 24669, 30151, 90453, 200093, 271359, 600279, 1800837, 2201023, 6603069, 19809207]

約数ペア:

[(1, 19809207), (3, 6603069), (9, 2201023), (11, 1800837), (33, 600279), (73, 271359), (99, 200093), (219, 90453), (657, 30151), (803, 24669), (2409, 8223), (2741, 7227)]