18205110

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1$

素因数の和:139

約数の個数: 192

約数和(自身を含む): 61461504

約数和(自身を除く): 43256394

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 11, 14, 15, 18, 21, 22, 30, 33, 35, 37, 42, 45, 55, 63, 66, 70, 71, 74, 77, 90, 99, 105, 110, 111, 126, 142, 154, 165, 185, 198, 210, 213, 222, 231, 259, 315, 330, 333, 355, 370, 385, 407, 426, 462, 495, 497, 518, 555, 630, 639, 666, 693, 710, 770, 777, 781, 814, 990, 994, 1065, 1110, 1155, 1221, 1278, 1295, 1386, 1491, 1554, 1562, 1665, 2035, 2130, 2310, 2331, 2343, 2442, 2485, 2590, 2627, 2849, 2982, 3195, 3330, 3465, 3663, 3885, 3905, 4070, 4473, 4662, 4686, 4970, 5254, 5467, 5698, 6105, 6390, 6930, 7029, 7326, 7455, 7770, 7810, 7881, 8547, 8946, 10934, 11655, 11715, 12210, 13135, 14058, 14245, 14910, 15762, 16401, 17094, 18315, 18389, 22365, 23310, 23430, 23643, 25641, 26270, 27335, 28490, 28897, 32802, 35145, 36630, 36778, 39405, 42735, 44730, 47286, 49203, 51282, 54670, 55167, 57794, 70290, 78810, 82005, 85470, 86691, 91945, 98406, 110334, 118215, 128205, 144485, 164010, 165501, 173382, 183890, 202279, 236430, 246015, 256410, 260073, 275835, 288970, 331002, 404558, 433455, 492030, 520146, 551670, 606837, 827505, 866910, 1011395, 1213674, 1300365, 1655010, 1820511, 2022790, 2600730, 3034185, 3641022, 6068370, 9102555, 18205110]

約数ペア:

[(1, 18205110), (2, 9102555), (3, 6068370), (5, 3641022), (6, 3034185), (7, 2600730), (9, 2022790), (10, 1820511), (11, 1655010), (14, 1300365), (15, 1213674), (18, 1011395), (21, 866910), (22, 827505), (30, 606837), (33, 551670), (35, 520146), (37, 492030), (42, 433455), (45, 404558), (55, 331002), (63, 288970), (66, 275835), (70, 260073), (71, 256410), (74, 246015), (77, 236430), (90, 202279), (99, 183890), (105, 173382), (110, 165501), (111, 164010), (126, 144485), (142, 128205), (154, 118215), (165, 110334), (185, 98406), (198, 91945), (210, 86691), (213, 85470), (222, 82005), (231, 78810), (259, 70290), (315, 57794), (330, 55167), (333, 54670), (355, 51282), (370, 49203), (385, 47286), (407, 44730), (426, 42735), (462, 39405), (495, 36778), (497, 36630), (518, 35145), (555, 32802), (630, 28897), (639, 28490), (666, 27335), (693, 26270), (710, 25641), (770, 23643), (777, 23430), (781, 23310), (814, 22365), (990, 18389), (994, 18315), (1065, 17094), (1110, 16401), (1155, 15762), (1221, 14910), (1278, 14245), (1295, 14058), (1386, 13135), (1491, 12210), (1554, 11715), (1562, 11655), (1665, 10934), (2035, 8946), (2130, 8547), (2310, 7881), (2331, 7810), (2343, 7770), (2442, 7455), (2485, 7326), (2590, 7029), (2627, 6930), (2849, 6390), (2982, 6105), (3195, 5698), (3330, 5467), (3465, 5254), (3663, 4970), (3885, 4686), (3905, 4662), (4070, 4473)]