18746181

素因数分解:

$3^3\times {\mathrm{73}}^1\times {\mathrm{9511}}^1$

素因数の和:9593

約数の個数: 16

約数和(自身を含む): 28155520

約数和(自身を除く): 9409339

約数列:

[1, 3, 9, 27, 73, 219, 657, 1971, 9511, 28533, 85599, 256797, 694303, 2082909, 6248727, 18746181]

約数ペア:

[(1, 18746181), (3, 6248727), (9, 2082909), (27, 694303), (73, 256797), (219, 85599), (657, 28533), (1971, 9511)]