18136485

素因数分解:

$3^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{5521}}^1$

素因数の和:5605

約数の個数: 24

約数和(自身を含む): 31872984

約数和(自身を除く): 13736499

約数列:

[1, 3, 5, 9, 15, 45, 73, 219, 365, 657, 1095, 3285, 5521, 16563, 27605, 49689, 82815, 248445, 403033, 1209099, 2015165, 3627297, 6045495, 18136485]

約数ペア:

[(1, 18136485), (3, 6045495), (5, 3627297), (9, 2015165), (15, 1209099), (45, 403033), (73, 248445), (219, 82815), (365, 49689), (657, 27605), (1095, 16563), (3285, 5521)]