19549219

素因数分解:

${\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{257}}^1$

素因数の和:390

約数の個数: 16

約数和(自身を含む): 21114720

約数和(自身を除く): 1565501

約数列:

[1, 29, 43, 61, 257, 1247, 1769, 2623, 7453, 11051, 15677, 76067, 320479, 454633, 674111, 19549219]

約数ペア:

[(1, 19549219), (29, 674111), (43, 454633), (61, 320479), (257, 76067), (1247, 15677), (1769, 11051), (2623, 7453)]