19585713

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{191}}^1\times {\mathrm{257}}^1$

素因数の和:477

約数の個数: 32

約数和(自身を含む): 31703040

約数和(自身を除く): 12117327

約数列:

[1, 3, 7, 19, 21, 57, 133, 191, 257, 399, 573, 771, 1337, 1799, 3629, 4011, 4883, 5397, 10887, 14649, 25403, 34181, 49087, 76209, 102543, 147261, 343609, 932653, 1030827, 2797959, 6528571, 19585713]

約数ペア:

[(1, 19585713), (3, 6528571), (7, 2797959), (19, 1030827), (21, 932653), (57, 343609), (133, 147261), (191, 102543), (257, 76209), (399, 49087), (573, 34181), (771, 25403), (1337, 14649), (1799, 10887), (3629, 5397), (4011, 4883)]