18206415

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{97}}^2$

素因数の和:248

約数の個数: 36

約数和(自身を含む): 32628024

約数和(自身を除く): 14421609

約数列:

[1, 3, 5, 9, 15, 43, 45, 97, 129, 215, 291, 387, 485, 645, 873, 1455, 1935, 4171, 4365, 9409, 12513, 20855, 28227, 37539, 47045, 62565, 84681, 141135, 187695, 404587, 423405, 1213761, 2022935, 3641283, 6068805, 18206415]

約数ペア:

[(1, 18206415), (3, 6068805), (5, 3641283), (9, 2022935), (15, 1213761), (43, 423405), (45, 404587), (97, 187695), (129, 141135), (215, 84681), (291, 62565), (387, 47045), (485, 37539), (645, 28227), (873, 20855), (1455, 12513), (1935, 9409), (4171, 4365)]