18518500

素因数分解:

$2^2\times 5^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1$

素因数の和:87

約数の個数: 192

約数和(自身を含む): 55770624

約数和(自身を除く): 37252124

約数列:

[1, 2, 4, 5, 7, 10, 11, 13, 14, 20, 22, 25, 26, 28, 35, 37, 44, 50, 52, 55, 65, 70, 74, 77, 91, 100, 110, 125, 130, 140, 143, 148, 154, 175, 182, 185, 220, 250, 259, 260, 275, 286, 308, 325, 350, 364, 370, 385, 407, 455, 481, 500, 518, 550, 572, 650, 700, 715, 740, 770, 814, 875, 910, 925, 962, 1001, 1036, 1100, 1295, 1300, 1375, 1430, 1540, 1625, 1628, 1750, 1820, 1850, 1924, 1925, 2002, 2035, 2275, 2405, 2590, 2750, 2849, 2860, 3250, 3367, 3500, 3575, 3700, 3850, 4004, 4070, 4550, 4625, 4810, 5005, 5180, 5291, 5500, 5698, 6475, 6500, 6734, 7150, 7700, 8140, 9100, 9250, 9620, 9625, 10010, 10175, 10582, 11375, 11396, 12025, 12950, 13468, 14245, 14300, 16835, 17875, 18500, 19250, 20020, 20350, 21164, 22750, 24050, 25025, 25900, 26455, 28490, 32375, 33670, 35750, 37037, 38500, 40700, 45500, 48100, 50050, 50875, 52910, 56980, 60125, 64750, 67340, 71225, 71500, 74074, 84175, 100100, 101750, 105820, 120250, 125125, 129500, 132275, 142450, 148148, 168350, 185185, 203500, 240500, 250250, 264550, 284900, 336700, 356125, 370370, 420875, 500500, 529100, 661375, 712250, 740740, 841750, 925925, 1322750, 1424500, 1683500, 1851850, 2645500, 3703700, 4629625, 9259250, 18518500]

約数ペア:

[(1, 18518500), (2, 9259250), (4, 4629625), (5, 3703700), (7, 2645500), (10, 1851850), (11, 1683500), (13, 1424500), (14, 1322750), (20, 925925), (22, 841750), (25, 740740), (26, 712250), (28, 661375), (35, 529100), (37, 500500), (44, 420875), (50, 370370), (52, 356125), (55, 336700), (65, 284900), (70, 264550), (74, 250250), (77, 240500), (91, 203500), (100, 185185), (110, 168350), (125, 148148), (130, 142450), (140, 132275), (143, 129500), (148, 125125), (154, 120250), (175, 105820), (182, 101750), (185, 100100), (220, 84175), (250, 74074), (259, 71500), (260, 71225), (275, 67340), (286, 64750), (308, 60125), (325, 56980), (350, 52910), (364, 50875), (370, 50050), (385, 48100), (407, 45500), (455, 40700), (481, 38500), (500, 37037), (518, 35750), (550, 33670), (572, 32375), (650, 28490), (700, 26455), (715, 25900), (740, 25025), (770, 24050), (814, 22750), (875, 21164), (910, 20350), (925, 20020), (962, 19250), (1001, 18500), (1036, 17875), (1100, 16835), (1295, 14300), (1300, 14245), (1375, 13468), (1430, 12950), (1540, 12025), (1625, 11396), (1628, 11375), (1750, 10582), (1820, 10175), (1850, 10010), (1924, 9625), (1925, 9620), (2002, 9250), (2035, 9100), (2275, 8140), (2405, 7700), (2590, 7150), (2750, 6734), (2849, 6500), (2860, 6475), (3250, 5698), (3367, 5500), (3500, 5291), (3575, 5180), (3700, 5005), (3850, 4810), (4004, 4625), (4070, 4550)]