18676437

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{443}}^1$

素因数の和:529

約数の個数: 32

約数和(自身を含む): 28643328

約数和(自身を除く): 9966891

約数列:

[1, 3, 13, 23, 39, 47, 69, 141, 299, 443, 611, 897, 1081, 1329, 1833, 3243, 5759, 10189, 14053, 17277, 20821, 30567, 42159, 62463, 132457, 270673, 397371, 478883, 812019, 1436649, 6225479, 18676437]

約数ペア:

[(1, 18676437), (3, 6225479), (13, 1436649), (23, 812019), (39, 478883), (47, 397371), (69, 270673), (141, 132457), (299, 62463), (443, 42159), (611, 30567), (897, 20821), (1081, 17277), (1329, 14053), (1833, 10189), (3243, 5759)]