18286905

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{13397}}^1$

素因数の和:13425

約数の個数: 32

約数和(自身を含む): 36013824

約数和(自身を除く): 17726919

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 65, 91, 105, 195, 273, 455, 1365, 13397, 40191, 66985, 93779, 174161, 200955, 281337, 468895, 522483, 870805, 1219127, 1406685, 2612415, 3657381, 6095635, 18286905]

約数ペア:

[(1, 18286905), (3, 6095635), (5, 3657381), (7, 2612415), (13, 1406685), (15, 1219127), (21, 870805), (35, 522483), (39, 468895), (65, 281337), (91, 200955), (105, 174161), (195, 93779), (273, 66985), (455, 40191), (1365, 13397)]