18397971

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{683}}^1$

素因数の和:803

約数の個数: 24

約数和(自身を含む): 27636336

約数和(自身を除く): 9238365

約数列:

[1, 3, 9, 41, 73, 123, 219, 369, 657, 683, 2049, 2993, 6147, 8979, 26937, 28003, 49859, 84009, 149577, 252027, 448731, 2044219, 6132657, 18397971]

約数ペア:

[(1, 18397971), (3, 6132657), (9, 2044219), (41, 448731), (73, 252027), (123, 149577), (219, 84009), (369, 49859), (657, 28003), (683, 26937), (2049, 8979), (2993, 6147)]