18494080

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1$

素因数の和:138

約数の個数: 128

約数和(自身を含む): 50232960

約数和(自身を除く): 31738880

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 37, 40, 44, 55, 64, 71, 74, 80, 88, 110, 128, 142, 148, 160, 176, 185, 220, 284, 296, 320, 352, 355, 370, 407, 440, 568, 592, 640, 704, 710, 740, 781, 814, 880, 1136, 1184, 1408, 1420, 1480, 1562, 1628, 1760, 2035, 2272, 2368, 2627, 2840, 2960, 3124, 3256, 3520, 3905, 4070, 4544, 4736, 5254, 5680, 5920, 6248, 6512, 7040, 7810, 8140, 9088, 10508, 11360, 11840, 12496, 13024, 13135, 15620, 16280, 21016, 22720, 23680, 24992, 26048, 26270, 28897, 31240, 32560, 42032, 45440, 49984, 52096, 52540, 57794, 62480, 65120, 84064, 99968, 105080, 115588, 124960, 130240, 144485, 168128, 210160, 231176, 249920, 260480, 288970, 336256, 420320, 462352, 499840, 577940, 840640, 924704, 1155880, 1681280, 1849408, 2311760, 3698816, 4623520, 9247040, 18494080]

約数ペア:

[(1, 18494080), (2, 9247040), (4, 4623520), (5, 3698816), (8, 2311760), (10, 1849408), (11, 1681280), (16, 1155880), (20, 924704), (22, 840640), (32, 577940), (37, 499840), (40, 462352), (44, 420320), (55, 336256), (64, 288970), (71, 260480), (74, 249920), (80, 231176), (88, 210160), (110, 168128), (128, 144485), (142, 130240), (148, 124960), (160, 115588), (176, 105080), (185, 99968), (220, 84064), (284, 65120), (296, 62480), (320, 57794), (352, 52540), (355, 52096), (370, 49984), (407, 45440), (440, 42032), (568, 32560), (592, 31240), (640, 28897), (704, 26270), (710, 26048), (740, 24992), (781, 23680), (814, 22720), (880, 21016), (1136, 16280), (1184, 15620), (1408, 13135), (1420, 13024), (1480, 12496), (1562, 11840), (1628, 11360), (1760, 10508), (2035, 9088), (2272, 8140), (2368, 7810), (2627, 7040), (2840, 6512), (2960, 6248), (3124, 5920), (3256, 5680), (3520, 5254), (3905, 4736), (4070, 4544)]