18844947

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{593}}^1$

素因数の和:720

約数の個数: 32

約数和(自身を含む): 30792960

約数和(自身を除く): 11948013

約数列:

[1, 3, 9, 11, 27, 33, 99, 107, 297, 321, 593, 963, 1177, 1779, 2889, 3531, 5337, 6523, 10593, 16011, 19569, 31779, 58707, 63451, 176121, 190353, 571059, 697961, 1713177, 2093883, 6281649, 18844947]

約数ペア:

[(1, 18844947), (3, 6281649), (9, 2093883), (11, 1713177), (27, 697961), (33, 571059), (99, 190353), (107, 176121), (297, 63451), (321, 58707), (593, 31779), (963, 19569), (1177, 16011), (1779, 10593), (2889, 6523), (3531, 5337)]