19228209

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{337}}^1$

素因数の和:390

約数の個数: 64

約数和(自身を含む): 36341760

約数和(自身を除く): 17113551

約数列:

[1, 3, 7, 11, 13, 19, 21, 33, 39, 57, 77, 91, 133, 143, 209, 231, 247, 273, 337, 399, 429, 627, 741, 1001, 1011, 1463, 1729, 2359, 2717, 3003, 3707, 4381, 4389, 5187, 6403, 7077, 8151, 11121, 13143, 19019, 19209, 25949, 30667, 44821, 48191, 57057, 70433, 77847, 83239, 92001, 134463, 144573, 211299, 249717, 337337, 493031, 582673, 915629, 1012011, 1479093, 1748019, 2746887, 6409403, 19228209]

約数ペア:

[(1, 19228209), (3, 6409403), (7, 2746887), (11, 1748019), (13, 1479093), (19, 1012011), (21, 915629), (33, 582673), (39, 493031), (57, 337337), (77, 249717), (91, 211299), (133, 144573), (143, 134463), (209, 92001), (231, 83239), (247, 77847), (273, 70433), (337, 57057), (399, 48191), (429, 44821), (627, 30667), (741, 25949), (1001, 19209), (1011, 19019), (1463, 13143), (1729, 11121), (2359, 8151), (2717, 7077), (3003, 6403), (3707, 5187), (4381, 4389)]