19955367981

素因数分解:

$3^3\times {\mathrm{53}}^1\times {\mathrm{1997}}^1\times {\mathrm{6983}}^1$

素因数の和:9042

約数の個数: 32

約数和(自身を含む): 30140709120

約数和(自身を除く): 10185341139

約数列:

[1, 3, 9, 27, 53, 159, 477, 1431, 1997, 5991, 6983, 17973, 20949, 53919, 62847, 105841, 188541, 317523, 370099, 952569, 1110297, 2857707, 3330891, 9992673, 13945051, 41835153, 125505459, 376516377, 739087703, 2217263109, 6651789327, 19955367981]

約数ペア:

[(1, 19955367981), (3, 6651789327), (9, 2217263109), (27, 739087703), (53, 376516377), (159, 125505459), (477, 41835153), (1431, 13945051), (1997, 9992673), (5991, 3330891), (6983, 2857707), (17973, 1110297), (20949, 952569), (53919, 370099), (62847, 317523), (105841, 188541)]