19378689

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{997}}^1$

素因数の和:1061

約数の個数: 32

約数和(自身を含む): 30658560

約数和(自身を除く): 11279871

約数列:

[1, 3, 11, 19, 31, 33, 57, 93, 209, 341, 589, 627, 997, 1023, 1767, 2991, 6479, 10967, 18943, 19437, 30907, 32901, 56829, 92721, 208373, 339977, 587233, 625119, 1019931, 1761699, 6459563, 19378689]

約数ペア:

[(1, 19378689), (3, 6459563), (11, 1761699), (19, 1019931), (31, 625119), (33, 587233), (57, 339977), (93, 208373), (209, 92721), (341, 56829), (589, 32901), (627, 30907), (997, 19437), (1023, 18943), (1767, 10967), (2991, 6479)]