18722726456

素因数分解:

$2^3\times 7^1\times {\mathrm{131}}^1\times {\mathrm{2552171}}^1$

素因数の和:2552315

約数の個数: 32

約数和(自身を含む): 40426404480

約数和(自身を除く): 21703678024

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 131, 262, 524, 917, 1048, 1834, 3668, 7336, 2552171, 5104342, 10208684, 17865197, 20417368, 35730394, 71460788, 142921576, 334334401, 668668802, 1337337604, 2340340807, 2674675208, 4680681614, 9361363228, 18722726456]

約数ペア:

[(1, 18722726456), (2, 9361363228), (4, 4680681614), (7, 2674675208), (8, 2340340807), (14, 1337337604), (28, 668668802), (56, 334334401), (131, 142921576), (262, 71460788), (524, 35730394), (917, 20417368), (1048, 17865197), (1834, 10208684), (3668, 5104342), (7336, 2552171)]