19529686

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{12503}}^1$

素因数の和:12587

約数の個数: 16

約数和(自身を含む): 32410368

約数和(自身を除く): 12880682

約数列:

[1, 2, 11, 22, 71, 142, 781, 1562, 12503, 25006, 137533, 275066, 887713, 1775426, 9764843, 19529686]

約数ペア:

[(1, 19529686), (2, 9764843), (11, 1775426), (22, 887713), (71, 275066), (142, 137533), (781, 25006), (1562, 12503)]