18012710

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{547}}^1$

素因数の和:680

約数の個数: 32

約数和(自身を含む): 33734880

約数和(自身を除く): 15722170

約数列:

[1, 2, 5, 10, 37, 74, 89, 178, 185, 370, 445, 547, 890, 1094, 2735, 3293, 5470, 6586, 16465, 20239, 32930, 40478, 48683, 97366, 101195, 202390, 243415, 486830, 1801271, 3602542, 9006355, 18012710]

約数ペア:

[(1, 18012710), (2, 9006355), (5, 3602542), (10, 1801271), (37, 486830), (74, 243415), (89, 202390), (178, 101195), (185, 97366), (370, 48683), (445, 40478), (547, 32930), (890, 20239), (1094, 16465), (2735, 6586), (3293, 5470)]