19391337

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{9929}}^1$

素因数の和:9973

約数の個数: 24

約数和(自身を含む): 33047040

約数和(自身を除く): 13655703

約数列:

[1, 3, 7, 9, 21, 31, 63, 93, 217, 279, 651, 1953, 9929, 29787, 69503, 89361, 208509, 307799, 625527, 923397, 2154593, 2770191, 6463779, 19391337]

約数ペア:

[(1, 19391337), (3, 6463779), (7, 2770191), (9, 2154593), (21, 923397), (31, 625527), (63, 307799), (93, 208509), (217, 89361), (279, 69503), (651, 29787), (1953, 9929)]