19831329

素因数分解:

$3^2\times 7^2\times {\mathrm{193}}^1\times {\mathrm{233}}^1$

素因数の和:446

約数の個数: 36

約数和(自身を含む): 33638436

約数和(自身を除く): 13807107

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 193, 233, 441, 579, 699, 1351, 1631, 1737, 2097, 4053, 4893, 9457, 11417, 12159, 14679, 28371, 34251, 44969, 85113, 102753, 134907, 314783, 404721, 944349, 2203481, 2833047, 6610443, 19831329]

約数ペア:

[(1, 19831329), (3, 6610443), (7, 2833047), (9, 2203481), (21, 944349), (49, 404721), (63, 314783), (147, 134907), (193, 102753), (233, 85113), (441, 44969), (579, 34251), (699, 28371), (1351, 14679), (1631, 12159), (1737, 11417), (2097, 9457), (4053, 4893)]