19678329

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{1123}}^1$

素因数の和:1202

約数の個数: 32

約数和(自身を含む): 32371200

約数和(自身を除く): 12692871

約数列:

[1, 3, 9, 11, 27, 33, 59, 99, 177, 297, 531, 649, 1123, 1593, 1947, 3369, 5841, 10107, 12353, 17523, 30321, 37059, 66257, 111177, 198771, 333531, 596313, 728827, 1788939, 2186481, 6559443, 19678329]

約数ペア:

[(1, 19678329), (3, 6559443), (9, 2186481), (11, 1788939), (27, 728827), (33, 596313), (59, 333531), (99, 198771), (177, 111177), (297, 66257), (531, 37059), (649, 30321), (1123, 17523), (1593, 12353), (1947, 10107), (3369, 5841)]