19810737

素因数分解:

$3^4\times {\mathrm{131}}^1\times {\mathrm{1867}}^1$

素因数の和:2010

約数の個数: 20

約数和(自身を含む): 29835696

約数和(自身を除く): 10024959

約数列:

[1, 3, 9, 27, 81, 131, 393, 1179, 1867, 3537, 5601, 10611, 16803, 50409, 151227, 244577, 733731, 2201193, 6603579, 19810737]

約数ペア:

[(1, 19810737), (3, 6603579), (9, 2201193), (27, 733731), (81, 244577), (131, 151227), (393, 50409), (1179, 16803), (1867, 10611), (3537, 5601)]