18714520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{42533}}^1$

素因数の和:42555

約数の個数: 32

約数和(自身を含む): 45936720

約数和(自身を除く): 27222200

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 42533, 85066, 170132, 212665, 340264, 425330, 467863, 850660, 935726, 1701320, 1871452, 2339315, 3742904, 4678630, 9357260, 18714520]

約数ペア:

[(1, 18714520), (2, 9357260), (4, 4678630), (5, 3742904), (8, 2339315), (10, 1871452), (11, 1701320), (20, 935726), (22, 850660), (40, 467863), (44, 425330), (55, 340264), (88, 212665), (110, 170132), (220, 85066), (440, 42533)]