19408059

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{647}}^1$

素因数の和:768

約数の個数: 32

約数和(自身を含む): 31726080

約数和(自身を除く): 12318021

約数列:

[1, 3, 9, 11, 27, 33, 99, 101, 297, 303, 647, 909, 1111, 1941, 2727, 3333, 5823, 7117, 9999, 17469, 21351, 29997, 64053, 65347, 192159, 196041, 588123, 718817, 1764369, 2156451, 6469353, 19408059]

約数ペア:

[(1, 19408059), (3, 6469353), (9, 2156451), (11, 1764369), (27, 718817), (33, 588123), (99, 196041), (101, 192159), (297, 65347), (303, 64053), (647, 29997), (909, 21351), (1111, 17469), (1941, 9999), (2727, 7117), (3333, 5823)]