19945384

素因数分解:

$2^3\times {\mathrm{53}}^1\times {\mathrm{47041}}^1$

素因数の和:47100

約数の個数: 16

約数和(自身を含む): 38104020

約数和(自身を除く): 18158636

約数列:

[1, 2, 4, 8, 53, 106, 212, 424, 47041, 94082, 188164, 376328, 2493173, 4986346, 9972692, 19945384]

約数ペア:

[(1, 19945384), (2, 9972692), (4, 4986346), (8, 2493173), (53, 376328), (106, 188164), (212, 94082), (424, 47041)]