19481973

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{311}}^1$

素因数の和:497

約数の個数: 32

約数和(自身を含む): 31549440

約数和(自身を除く): 12067467

約数列:

[1, 3, 7, 19, 21, 57, 133, 157, 311, 399, 471, 933, 1099, 2177, 2983, 3297, 5909, 6531, 8949, 17727, 20881, 41363, 48827, 62643, 124089, 146481, 341789, 927713, 1025367, 2783139, 6493991, 19481973]

約数ペア:

[(1, 19481973), (3, 6493991), (7, 2783139), (19, 1025367), (21, 927713), (57, 341789), (133, 146481), (157, 124089), (311, 62643), (399, 48827), (471, 41363), (933, 20881), (1099, 17727), (2177, 8949), (2983, 6531), (3297, 5909)]