18354315

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{2609}}^1$

素因数の和:2691

約数の個数: 32

約数和(自身を含む): 34076160

約数和(自身を除く): 15721845

約数列:

[1, 3, 5, 7, 15, 21, 35, 67, 105, 201, 335, 469, 1005, 1407, 2345, 2609, 7035, 7827, 13045, 18263, 39135, 54789, 91315, 174803, 273945, 524409, 874015, 1223621, 2622045, 3670863, 6118105, 18354315]

約数ペア:

[(1, 18354315), (3, 6118105), (5, 3670863), (7, 2622045), (15, 1223621), (21, 874015), (35, 524409), (67, 273945), (105, 174803), (201, 91315), (335, 54789), (469, 39135), (1005, 18263), (1407, 13045), (2345, 7827), (2609, 7035)]