19377918

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{113}}^1\times {\mathrm{1361}}^1$

素因数の和:1489

約数の個数: 48

約数和(自身を含む): 48443616

約数和(自身を除く): 29065698

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 113, 126, 226, 339, 678, 791, 1017, 1361, 1582, 2034, 2373, 2722, 4083, 4746, 7119, 8166, 9527, 12249, 14238, 19054, 24498, 28581, 57162, 85743, 153793, 171486, 307586, 461379, 922758, 1076551, 1384137, 2153102, 2768274, 3229653, 6459306, 9688959, 19377918]

約数ペア:

[(1, 19377918), (2, 9688959), (3, 6459306), (6, 3229653), (7, 2768274), (9, 2153102), (14, 1384137), (18, 1076551), (21, 922758), (42, 461379), (63, 307586), (113, 171486), (126, 153793), (226, 85743), (339, 57162), (678, 28581), (791, 24498), (1017, 19054), (1361, 14238), (1582, 12249), (2034, 9527), (2373, 8166), (2722, 7119), (4083, 4746)]