18891840

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1789}}^1$

素因数の和:1820

約数の個数: 112

約数和(自身を含む): 65471040

約数和(自身を除く): 46579200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 40, 44, 48, 55, 60, 64, 66, 80, 88, 96, 110, 120, 132, 160, 165, 176, 192, 220, 240, 264, 320, 330, 352, 440, 480, 528, 660, 704, 880, 960, 1056, 1320, 1760, 1789, 2112, 2640, 3520, 3578, 5280, 5367, 7156, 8945, 10560, 10734, 14312, 17890, 19679, 21468, 26835, 28624, 35780, 39358, 42936, 53670, 57248, 59037, 71560, 78716, 85872, 98395, 107340, 114496, 118074, 143120, 157432, 171744, 196790, 214680, 236148, 286240, 295185, 314864, 343488, 393580, 429360, 472296, 572480, 590370, 629728, 787160, 858720, 944592, 1180740, 1259456, 1574320, 1717440, 1889184, 2361480, 3148640, 3778368, 4722960, 6297280, 9445920, 18891840]

約数ペア:

[(1, 18891840), (2, 9445920), (3, 6297280), (4, 4722960), (5, 3778368), (6, 3148640), (8, 2361480), (10, 1889184), (11, 1717440), (12, 1574320), (15, 1259456), (16, 1180740), (20, 944592), (22, 858720), (24, 787160), (30, 629728), (32, 590370), (33, 572480), (40, 472296), (44, 429360), (48, 393580), (55, 343488), (60, 314864), (64, 295185), (66, 286240), (80, 236148), (88, 214680), (96, 196790), (110, 171744), (120, 157432), (132, 143120), (160, 118074), (165, 114496), (176, 107340), (192, 98395), (220, 85872), (240, 78716), (264, 71560), (320, 59037), (330, 57248), (352, 53670), (440, 42936), (480, 39358), (528, 35780), (660, 28624), (704, 26835), (880, 21468), (960, 19679), (1056, 17890), (1320, 14312), (1760, 10734), (1789, 10560), (2112, 8945), (2640, 7156), (3520, 5367), (3578, 5280)]