18783945

素因数分解:

$3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{10181}}^1$

素因数の和:10233

約数の個数: 24

約数和(自身を含む): 33356232

約数和(自身を除く): 14572287

約数列:

[1, 3, 5, 9, 15, 41, 45, 123, 205, 369, 615, 1845, 10181, 30543, 50905, 91629, 152715, 417421, 458145, 1252263, 2087105, 3756789, 6261315, 18783945]

約数ペア:

[(1, 18783945), (3, 6261315), (5, 3756789), (9, 2087105), (15, 1252263), (41, 458145), (45, 417421), (123, 152715), (205, 91629), (369, 50905), (615, 30543), (1845, 10181)]