18839040

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{223}}^1$

素因数の和:260

約数の個数: 160

約数和(自身を含む): 65995776

約数和(自身を除く): 47156736

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, 128, 132, 160, 165, 176, 192, 220, 223, 240, 256, 264, 320, 330, 352, 384, 440, 446, 480, 512, 528, 640, 660, 669, 704, 768, 880, 892, 960, 1056, 1115, 1280, 1320, 1338, 1408, 1536, 1760, 1784, 1920, 2112, 2230, 2453, 2560, 2640, 2676, 2816, 3345, 3520, 3568, 3840, 4224, 4460, 4906, 5280, 5352, 5632, 6690, 7040, 7136, 7359, 7680, 8448, 8920, 9812, 10560, 10704, 12265, 13380, 14080, 14272, 14718, 16896, 17840, 19624, 21120, 21408, 24530, 26760, 28160, 28544, 29436, 35680, 36795, 39248, 42240, 42816, 49060, 53520, 57088, 58872, 71360, 73590, 78496, 84480, 85632, 98120, 107040, 114176, 117744, 142720, 147180, 156992, 171264, 196240, 214080, 235488, 285440, 294360, 313984, 342528, 392480, 428160, 470976, 570880, 588720, 627968, 784960, 856320, 941952, 1177440, 1255936, 1569920, 1712640, 1883904, 2354880, 3139840, 3767808, 4709760, 6279680, 9419520, 18839040]

約数ペア:

[(1, 18839040), (2, 9419520), (3, 6279680), (4, 4709760), (5, 3767808), (6, 3139840), (8, 2354880), (10, 1883904), (11, 1712640), (12, 1569920), (15, 1255936), (16, 1177440), (20, 941952), (22, 856320), (24, 784960), (30, 627968), (32, 588720), (33, 570880), (40, 470976), (44, 428160), (48, 392480), (55, 342528), (60, 313984), (64, 294360), (66, 285440), (80, 235488), (88, 214080), (96, 196240), (110, 171264), (120, 156992), (128, 147180), (132, 142720), (160, 117744), (165, 114176), (176, 107040), (192, 98120), (220, 85632), (223, 84480), (240, 78496), (256, 73590), (264, 71360), (320, 58872), (330, 57088), (352, 53520), (384, 49060), (440, 42816), (446, 42240), (480, 39248), (512, 36795), (528, 35680), (640, 29436), (660, 28544), (669, 28160), (704, 26760), (768, 24530), (880, 21408), (892, 21120), (960, 19624), (1056, 17840), (1115, 16896), (1280, 14718), (1320, 14272), (1338, 14080), (1408, 13380), (1536, 12265), (1760, 10704), (1784, 10560), (1920, 9812), (2112, 8920), (2230, 8448), (2453, 7680), (2560, 7359), (2640, 7136), (2676, 7040), (2816, 6690), (3345, 5632), (3520, 5352), (3568, 5280), (3840, 4906), (4224, 4460)]