18281235

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{4049}}^1$

素因数の和:4107

約数の個数: 32

約数和(自身を含む): 34214400

約数和(自身を除く): 15933165

約数列:

[1, 3, 5, 7, 15, 21, 35, 43, 105, 129, 215, 301, 645, 903, 1505, 4049, 4515, 12147, 20245, 28343, 60735, 85029, 141715, 174107, 425145, 522321, 870535, 1218749, 2611605, 3656247, 6093745, 18281235]

約数ペア:

[(1, 18281235), (3, 6093745), (5, 3656247), (7, 2611605), (15, 1218749), (21, 870535), (35, 522321), (43, 425145), (105, 174107), (129, 141715), (215, 85029), (301, 60735), (645, 28343), (903, 20245), (1505, 12147), (4049, 4515)]