18889640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{6133}}^1$

素因数の和:6162

約数の個数: 64

約数和(自身を含む): 52997760

約数和(自身を除く): 34108120

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 308, 385, 440, 616, 770, 1540, 3080, 6133, 12266, 24532, 30665, 42931, 49064, 61330, 67463, 85862, 122660, 134926, 171724, 214655, 245320, 269852, 337315, 343448, 429310, 472241, 539704, 674630, 858620, 944482, 1349260, 1717240, 1888964, 2361205, 2698520, 3777928, 4722410, 9444820, 18889640]

約数ペア:

[(1, 18889640), (2, 9444820), (4, 4722410), (5, 3777928), (7, 2698520), (8, 2361205), (10, 1888964), (11, 1717240), (14, 1349260), (20, 944482), (22, 858620), (28, 674630), (35, 539704), (40, 472241), (44, 429310), (55, 343448), (56, 337315), (70, 269852), (77, 245320), (88, 214655), (110, 171724), (140, 134926), (154, 122660), (220, 85862), (280, 67463), (308, 61330), (385, 49064), (440, 42931), (616, 30665), (770, 24532), (1540, 12266), (3080, 6133)]