19897537

素因数分解:

${\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{349}}^1$

素因数の和:504

約数の個数: 16

約数和(自身を含む): 22377600

約数和(自身を除く): 2480063

約数列:

[1, 11, 71, 73, 349, 781, 803, 3839, 5183, 24779, 25477, 57013, 272569, 280247, 1808867, 19897537]

約数ペア:

[(1, 19897537), (11, 1808867), (71, 280247), (73, 272569), (349, 57013), (781, 25477), (803, 24779), (3839, 5183)]