19956483

素因数分解:

$3^3\times {\mathrm{109}}^1\times {\mathrm{6781}}^1$

素因数の和:6899

約数の個数: 16

約数和(自身を含む): 29840800

約数和(自身を除く): 9884317

約数列:

[1, 3, 9, 27, 109, 327, 981, 2943, 6781, 20343, 61029, 183087, 739129, 2217387, 6652161, 19956483]

約数ペア:

[(1, 19956483), (3, 6652161), (9, 2217387), (27, 739129), (109, 183087), (327, 61029), (981, 20343), (2943, 6781)]