18518230

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{20807}}^1$

素因数の和:20903

約数の個数: 16

約数和(自身を含む): 33708960

約数和(自身を除く): 15190730

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 20807, 41614, 104035, 208070, 1851823, 3703646, 9259115, 18518230]

約数ペア:

[(1, 18518230), (2, 9259115), (5, 3703646), (10, 1851823), (89, 208070), (178, 104035), (445, 41614), (890, 20807)]