18730564

素因数分解:

$2^2\times {\mathrm{107}}^2\times {\mathrm{409}}^1$

素因数の和:627

約数の個数: 18

約数和(自身を含む): 33168590

約数和(自身を除く): 14438026

約数列:

[1, 2, 4, 107, 214, 409, 428, 818, 1636, 11449, 22898, 43763, 45796, 87526, 175052, 4682641, 9365282, 18730564]

約数ペア:

[(1, 18730564), (2, 9365282), (4, 4682641), (107, 175052), (214, 87526), (409, 45796), (428, 43763), (818, 22898), (1636, 11449)]