19650807

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{337}}^1$

素因数の和:404

約数の個数: 48

約数和(自身を含む): 33745920

約数和(自身を除く): 14095113

約数列:

[1, 3, 9, 11, 19, 31, 33, 57, 93, 99, 171, 209, 279, 337, 341, 589, 627, 1011, 1023, 1767, 1881, 3033, 3069, 3707, 5301, 6403, 6479, 10447, 11121, 19209, 19437, 31341, 33363, 57627, 58311, 70433, 94023, 114917, 198493, 211299, 344751, 595479, 633897, 1034253, 1786437, 2183423, 6550269, 19650807]

約数ペア:

[(1, 19650807), (3, 6550269), (9, 2183423), (11, 1786437), (19, 1034253), (31, 633897), (33, 595479), (57, 344751), (93, 211299), (99, 198493), (171, 114917), (209, 94023), (279, 70433), (337, 58311), (341, 57627), (589, 33363), (627, 31341), (1011, 19437), (1023, 19209), (1767, 11121), (1881, 10447), (3033, 6479), (3069, 6403), (3707, 5301)]