19790799

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{193}}^1\times {\mathrm{257}}^1$

素因数の和:479

約数の個数: 32

約数和(自身を含む): 32033280

約数和(自身を除く): 12242481

約数列:

[1, 3, 7, 19, 21, 57, 133, 193, 257, 399, 579, 771, 1351, 1799, 3667, 4053, 4883, 5397, 11001, 14649, 25669, 34181, 49601, 77007, 102543, 148803, 347207, 942419, 1041621, 2827257, 6596933, 19790799]

約数ペア:

[(1, 19790799), (3, 6596933), (7, 2827257), (19, 1041621), (21, 942419), (57, 347207), (133, 148803), (193, 102543), (257, 77007), (399, 49601), (579, 34181), (771, 25669), (1351, 14649), (1799, 11001), (3667, 5397), (4053, 4883)]