18296385

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{181}}^1\times {\mathrm{293}}^1$

素因数の和:505

約数の個数: 32

約数和(自身を含む): 30820608

約数和(自身を除く): 12524223

約数列:

[1, 3, 5, 15, 23, 69, 115, 181, 293, 345, 543, 879, 905, 1465, 2715, 4163, 4395, 6739, 12489, 20217, 20815, 33695, 53033, 62445, 101085, 159099, 265165, 795495, 1219759, 3659277, 6098795, 18296385]

約数ペア:

[(1, 18296385), (3, 6098795), (5, 3659277), (15, 1219759), (23, 795495), (69, 265165), (115, 159099), (181, 101085), (293, 62445), (345, 53033), (543, 33695), (879, 20815), (905, 20217), (1465, 12489), (2715, 6739), (4163, 4395)]