19782693

素因数分解:

$3^2\times 7^1\times {\mathrm{193}}^1\times {\mathrm{1627}}^1$

素因数の和:1833

約数の個数: 24

約数和(自身を含む): 32846528

約数和(自身を除く): 13063835

約数列:

[1, 3, 7, 9, 21, 63, 193, 579, 1351, 1627, 1737, 4053, 4881, 11389, 12159, 14643, 34167, 102501, 314011, 942033, 2198077, 2826099, 6594231, 19782693]

約数ペア:

[(1, 19782693), (3, 6594231), (7, 2826099), (9, 2198077), (21, 942033), (63, 314011), (193, 102501), (579, 34167), (1351, 14643), (1627, 12159), (1737, 11389), (4053, 4881)]