919965980

素因数分解:

$2^2\times 5^1\times {\mathrm{3089}}^1\times {\mathrm{14891}}^1$

素因数の和:17989

約数の個数: 24

約数和(自身を含む): 1932683760

約数和(自身を除く): 1012717780

約数列:

[1, 2, 4, 5, 10, 20, 3089, 6178, 12356, 14891, 15445, 29782, 30890, 59564, 61780, 74455, 148910, 297820, 45998299, 91996598, 183993196, 229991495, 459982990, 919965980]

約数ペア:

[(1, 919965980), (2, 459982990), (4, 229991495), (5, 183993196), (10, 91996598), (20, 45998299), (3089, 297820), (6178, 148910), (12356, 74455), (14891, 61780), (15445, 59564), (29782, 30890)]