19773429

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{193}}^1$

素因数の和:317

約数の個数: 32

約数和(自身を含む): 29723904

約数和(自身を除く): 9950475

約数列:

[1, 3, 13, 37, 39, 71, 111, 193, 213, 481, 579, 923, 1443, 2509, 2627, 2769, 7141, 7527, 7881, 13703, 21423, 34151, 41109, 92833, 102453, 178139, 278499, 507011, 534417, 1521033, 6591143, 19773429]

約数ペア:

[(1, 19773429), (3, 6591143), (13, 1521033), (37, 534417), (39, 507011), (71, 278499), (111, 178139), (193, 102453), (213, 92833), (481, 41109), (579, 34151), (923, 21423), (1443, 13703), (2509, 7881), (2627, 7527), (2769, 7141)]