19576004

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1187}}^1$

素因数の和:1248

約数の個数: 48

約数和(自身を含む): 42577920

約数和(自身を除く): 23001916

約数列:

[1, 2, 4, 7, 14, 19, 28, 31, 38, 62, 76, 124, 133, 217, 266, 434, 532, 589, 868, 1178, 1187, 2356, 2374, 4123, 4748, 8246, 8309, 16492, 16618, 22553, 33236, 36797, 45106, 73594, 90212, 147188, 157871, 257579, 315742, 515158, 631484, 699143, 1030316, 1398286, 2796572, 4894001, 9788002, 19576004]

約数ペア:

[(1, 19576004), (2, 9788002), (4, 4894001), (7, 2796572), (14, 1398286), (19, 1030316), (28, 699143), (31, 631484), (38, 515158), (62, 315742), (76, 257579), (124, 157871), (133, 147188), (217, 90212), (266, 73594), (434, 45106), (532, 36797), (589, 33236), (868, 22553), (1178, 16618), (1187, 16492), (2356, 8309), (2374, 8246), (4123, 4748)]