19773765

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{929}}^1$

素因数の和:994

約数の個数: 48

約数和(自身を含む): 38301120

約数和(自身を除く): 18527355

約数列:

[1, 3, 5, 9, 11, 15, 33, 43, 45, 55, 99, 129, 165, 215, 387, 473, 495, 645, 929, 1419, 1935, 2365, 2787, 4257, 4645, 7095, 8361, 10219, 13935, 21285, 30657, 39947, 41805, 51095, 91971, 119841, 153285, 199735, 359523, 439417, 459855, 599205, 1318251, 1797615, 2197085, 3954753, 6591255, 19773765]

約数ペア:

[(1, 19773765), (3, 6591255), (5, 3954753), (9, 2197085), (11, 1797615), (15, 1318251), (33, 599205), (43, 459855), (45, 439417), (55, 359523), (99, 199735), (129, 153285), (165, 119841), (215, 91971), (387, 51095), (473, 41805), (495, 39947), (645, 30657), (929, 21285), (1419, 13935), (1935, 10219), (2365, 8361), (2787, 7095), (4257, 4645)]