18069040

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{20533}}^1$

素因数の和:20557

約数の個数: 40

約数和(自身を含む): 45831888

約数和(自身を除く): 27762848

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 20533, 41066, 82132, 102665, 164264, 205330, 225863, 328528, 410660, 451726, 821320, 903452, 1129315, 1642640, 1806904, 2258630, 3613808, 4517260, 9034520, 18069040]

約数ペア:

[(1, 18069040), (2, 9034520), (4, 4517260), (5, 3613808), (8, 2258630), (10, 1806904), (11, 1642640), (16, 1129315), (20, 903452), (22, 821320), (40, 451726), (44, 410660), (55, 328528), (80, 225863), (88, 205330), (110, 164264), (176, 102665), (220, 82132), (440, 41066), (880, 20533)]