18809253

素因数分解:

$3^4\times {\mathrm{73}}^1\times {\mathrm{3181}}^1$

素因数の和:3266

約数の個数: 20

約数和(自身を含む): 28491628

約数和(自身を除く): 9682375

約数列:

[1, 3, 9, 27, 73, 81, 219, 657, 1971, 3181, 5913, 9543, 28629, 85887, 232213, 257661, 696639, 2089917, 6269751, 18809253]

約数ペア:

[(1, 18809253), (3, 6269751), (9, 2089917), (27, 696639), (73, 257661), (81, 232213), (219, 85887), (657, 28629), (1971, 9543), (3181, 5913)]