19932939

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{521}}^1$

素因数の和:652

約数の個数: 32

約数和(自身を含む): 32155200

約数和(自身を除く): 12222261

約数列:

[1, 3, 9, 13, 27, 39, 109, 117, 327, 351, 521, 981, 1417, 1563, 2943, 4251, 4689, 6773, 12753, 14067, 20319, 38259, 56789, 60957, 170367, 182871, 511101, 738257, 1533303, 2214771, 6644313, 19932939]

約数ペア:

[(1, 19932939), (3, 6644313), (9, 2214771), (13, 1533303), (27, 738257), (39, 511101), (109, 182871), (117, 170367), (327, 60957), (351, 56789), (521, 38259), (981, 20319), (1417, 14067), (1563, 12753), (2943, 6773), (4251, 4689)]