18257373

素因数分解:

$3^3\times {\mathrm{59}}^1\times {\mathrm{73}}^1\times {\mathrm{157}}^1$

素因数の和:298

約数の個数: 32

約数和(自身を含む): 28060800

約数和(自身を除く): 9803427

約数列:

[1, 3, 9, 27, 59, 73, 157, 177, 219, 471, 531, 657, 1413, 1593, 1971, 4239, 4307, 9263, 11461, 12921, 27789, 34383, 38763, 83367, 103149, 116289, 250101, 309447, 676199, 2028597, 6085791, 18257373]

約数ペア:

[(1, 18257373), (3, 6085791), (9, 2028597), (27, 676199), (59, 309447), (73, 250101), (157, 116289), (177, 103149), (219, 83367), (471, 38763), (531, 34383), (657, 27789), (1413, 12921), (1593, 11461), (1971, 9263), (4239, 4307)]