18274370

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{20533}}^1$

素因数の和:20629

約数の個数: 16

約数和(自身を含む): 33265080

約数和(自身を除く): 14990710

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 20533, 41066, 102665, 205330, 1827437, 3654874, 9137185, 18274370]

約数ペア:

[(1, 18274370), (2, 9137185), (5, 3654874), (10, 1827437), (89, 205330), (178, 102665), (445, 41066), (890, 20533)]