18889816

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{214657}}^1$

素因数の和:214674

約数の個数: 16

約数和(自身を含む): 38638440

約数和(自身を除く): 19748624

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 214657, 429314, 858628, 1717256, 2361227, 4722454, 9444908, 18889816]

約数ペア:

[(1, 18889816), (2, 9444908), (4, 4722454), (8, 2361227), (11, 1717256), (22, 858628), (44, 429314), (88, 214657)]