18916281

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{367}}^1$

素因数の和:482

約数の個数: 32

約数和(自身を含む): 29675520

約数和(自身を除く): 10759239

約数列:

[1, 3, 9, 23, 27, 69, 83, 207, 249, 367, 621, 747, 1101, 1909, 2241, 3303, 5727, 8441, 9909, 17181, 25323, 30461, 51543, 75969, 91383, 227907, 274149, 700603, 822447, 2101809, 6305427, 18916281]

約数ペア:

[(1, 18916281), (3, 6305427), (9, 2101809), (23, 822447), (27, 700603), (69, 274149), (83, 227907), (207, 91383), (249, 75969), (367, 51543), (621, 30461), (747, 25323), (1101, 17181), (1909, 9909), (2241, 8441), (3303, 5727)]