12889144

素因数分解:

$2^3\times {\mathrm{19}}^2\times {\mathrm{4463}}^1$

素因数の和:4507

約数の個数: 24

約数和(自身を含む): 25511760

約数和(自身を除く): 12622616

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 361, 722, 1444, 2888, 4463, 8926, 17852, 35704, 84797, 169594, 339188, 678376, 1611143, 3222286, 6444572, 12889144]

約数ペア:

[(1, 12889144), (2, 6444572), (4, 3222286), (8, 1611143), (19, 678376), (38, 339188), (76, 169594), (152, 84797), (361, 35704), (722, 17852), (1444, 8926), (2888, 4463)]