19889384

素因数分解:

$2^3\times {\mathrm{461}}^1\times {\mathrm{5393}}^1$

素因数の和:5860

約数の個数: 16

約数和(自身を含む): 37380420

約数和(自身を除く): 17491036

約数列:

[1, 2, 4, 8, 461, 922, 1844, 3688, 5393, 10786, 21572, 43144, 2486173, 4972346, 9944692, 19889384]

約数ペア:

[(1, 19889384), (2, 9944692), (4, 4972346), (8, 2486173), (461, 43144), (922, 21572), (1844, 10786), (3688, 5393)]