31236784

素因数分解:

$2^4\times {\mathrm{109}}^1\times {\mathrm{17911}}^1$

素因数の和:18028

約数の個数: 20

約数和(自身を含む): 61079920

約数和(自身を除く): 29843136

約数列:

[1, 2, 4, 8, 16, 109, 218, 436, 872, 1744, 17911, 35822, 71644, 143288, 286576, 1952299, 3904598, 7809196, 15618392, 31236784]

約数ペア:

[(1, 31236784), (2, 15618392), (4, 7809196), (8, 3904598), (16, 1952299), (109, 286576), (218, 143288), (436, 71644), (872, 35822), (1744, 17911)]