19949924

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{113}}^1$

素因数の和:260

約数の個数: 48

約数和(自身を含む): 39070080

約数和(自身を除く): 19120156

約数列:

[1, 2, 4, 19, 23, 38, 46, 76, 92, 101, 113, 202, 226, 404, 437, 452, 874, 1748, 1919, 2147, 2323, 2599, 3838, 4294, 4646, 5198, 7676, 8588, 9292, 10396, 11413, 22826, 44137, 45652, 49381, 88274, 98762, 176548, 197524, 216847, 262499, 433694, 524998, 867388, 1049996, 4987481, 9974962, 19949924]

約数ペア:

[(1, 19949924), (2, 9974962), (4, 4987481), (19, 1049996), (23, 867388), (38, 524998), (46, 433694), (76, 262499), (92, 216847), (101, 197524), (113, 176548), (202, 98762), (226, 88274), (404, 49381), (437, 45652), (452, 44137), (874, 22826), (1748, 11413), (1919, 10396), (2147, 9292), (2323, 8588), (2599, 7676), (3838, 5198), (4294, 4646)]