19539513

素因数分解:

$3^2\times 7^1\times {\mathrm{193}}^1\times {\mathrm{1607}}^1$

素因数の和:1813

約数の個数: 24

約数和(自身を含む): 32443008

約数和(自身を除く): 12903495

約数列:

[1, 3, 7, 9, 21, 63, 193, 579, 1351, 1607, 1737, 4053, 4821, 11249, 12159, 14463, 33747, 101241, 310151, 930453, 2171057, 2791359, 6513171, 19539513]

約数ペア:

[(1, 19539513), (3, 6513171), (7, 2791359), (9, 2171057), (21, 930453), (63, 310151), (193, 101241), (579, 33747), (1351, 14463), (1607, 12159), (1737, 11249), (4053, 4821)]