19441989

素因数分解:

$3^2\times 7^1\times {\mathrm{113}}^1\times {\mathrm{2731}}^1$

素因数の和:2857

約数の個数: 24

約数和(自身を含む): 32390592

約数和(自身を除く): 12948603

約数列:

[1, 3, 7, 9, 21, 63, 113, 339, 791, 1017, 2373, 2731, 7119, 8193, 19117, 24579, 57351, 172053, 308603, 925809, 2160221, 2777427, 6480663, 19441989]

約数ペア:

[(1, 19441989), (3, 6480663), (7, 2777427), (9, 2160221), (21, 925809), (63, 308603), (113, 172053), (339, 57351), (791, 24579), (1017, 19117), (2373, 8193), (2731, 7119)]