19751391

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{911}}^1$

素因数の和:1004

約数の個数: 32

約数和(自身を含む): 32394240

約数和(自身を除く): 12642849

約数列:

[1, 3, 9, 11, 27, 33, 73, 99, 219, 297, 657, 803, 911, 1971, 2409, 2733, 7227, 8199, 10021, 21681, 24597, 30063, 66503, 90189, 199509, 270567, 598527, 731533, 1795581, 2194599, 6583797, 19751391]

約数ペア:

[(1, 19751391), (3, 6583797), (9, 2194599), (11, 1795581), (27, 731533), (33, 598527), (73, 270567), (99, 199509), (219, 90189), (297, 66503), (657, 30063), (803, 24597), (911, 21681), (1971, 10021), (2409, 8199), (2733, 7227)]