19735191

素因数分解:

$3^3\times 7^3\times {\mathrm{2131}}^1$

素因数の和:2161

約数の個数: 32

約数和(自身を含む): 34112000

約数和(自身を除く): 14376809

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 343, 441, 1029, 1323, 2131, 3087, 6393, 9261, 14917, 19179, 44751, 57537, 104419, 134253, 313257, 402759, 730933, 939771, 2192799, 2819313, 6578397, 19735191]

約数ペア:

[(1, 19735191), (3, 6578397), (7, 2819313), (9, 2192799), (21, 939771), (27, 730933), (49, 402759), (63, 313257), (147, 134253), (189, 104419), (343, 57537), (441, 44751), (1029, 19179), (1323, 14917), (2131, 9261), (3087, 6393)]