19975859

素因数分解:

${\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1\times {\mathrm{239}}^1$

素因数の和:394

約数の個数: 16

約数和(自身を含む): 21772800

約数和(自身を除く): 1796941

約数列:

[1, 19, 53, 83, 239, 1007, 1577, 4399, 4541, 12667, 19837, 83581, 240673, 376903, 1051361, 19975859]

約数ペア:

[(1, 19975859), (19, 1051361), (53, 376903), (83, 240673), (239, 83581), (1007, 19837), (1577, 12667), (4399, 4541)]