19189923

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{2707}}^1$

素因数の和:2866

約数の個数: 16

約数和(自身を含む): 27296640

約数和(自身を除く): 8106717

約数列:

[1, 3, 17, 51, 139, 417, 2363, 2707, 7089, 8121, 46019, 138057, 376273, 1128819, 6396641, 19189923]

約数ペア:

[(1, 19189923), (3, 6396641), (17, 1128819), (51, 376273), (139, 138057), (417, 46019), (2363, 8121), (2707, 7089)]