19990869

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{467}}^1\times {\mathrm{751}}^1$

素因数の和:1240

約数の個数: 16

約数和(自身を含む): 28154880

約数和(自身を除く): 8164011

約数列:

[1, 3, 19, 57, 467, 751, 1401, 2253, 8873, 14269, 26619, 42807, 350717, 1052151, 6663623, 19990869]

約数ペア:

[(1, 19990869), (3, 6663623), (19, 1052151), (57, 350717), (467, 42807), (751, 26619), (1401, 14269), (2253, 8873)]