18479439

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{2557}}^1$

素因数の和:2647

約数の個数: 24

約数和(自身を含む): 29529552

約数和(自身を除く): 11050113

約数列:

[1, 3, 9, 11, 33, 73, 99, 219, 657, 803, 2409, 2557, 7227, 7671, 23013, 28127, 84381, 186661, 253143, 559983, 1679949, 2053271, 6159813, 18479439]

約数ペア:

[(1, 18479439), (3, 6159813), (9, 2053271), (11, 1679949), (33, 559983), (73, 253143), (99, 186661), (219, 84381), (657, 28127), (803, 23013), (2409, 7671), (2557, 7227)]