18339615

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{6469}}^1$

素因数の和:6493

約数の個数: 40

約数和(自身を含む): 37577760

約数和(自身を除く): 19238145

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 81, 105, 135, 189, 315, 405, 567, 945, 2835, 6469, 19407, 32345, 45283, 58221, 97035, 135849, 174663, 226415, 291105, 407547, 523989, 679245, 873315, 1222641, 2037735, 2619945, 3667923, 6113205, 18339615]

約数ペア:

[(1, 18339615), (3, 6113205), (5, 3667923), (7, 2619945), (9, 2037735), (15, 1222641), (21, 873315), (27, 679245), (35, 523989), (45, 407547), (63, 291105), (81, 226415), (105, 174663), (135, 135849), (189, 97035), (315, 58221), (405, 45283), (567, 32345), (945, 19407), (2835, 6469)]