18279273

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{191}}^1$

素因数の和:309

約数の個数: 32

約数和(自身を含む): 27279360

約数和(自身を除く): 9000087

約数列:

[1, 3, 19, 23, 57, 69, 73, 191, 219, 437, 573, 1311, 1387, 1679, 3629, 4161, 4393, 5037, 10887, 13179, 13943, 31901, 41829, 83467, 95703, 250401, 264917, 320689, 794751, 962067, 6093091, 18279273]

約数ペア:

[(1, 18279273), (3, 6093091), (19, 962067), (23, 794751), (57, 320689), (69, 264917), (73, 250401), (191, 95703), (219, 83467), (437, 41829), (573, 31901), (1311, 13943), (1387, 13179), (1679, 10887), (3629, 5037), (4161, 4393)]