18898880

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1$

素因数の和:107

約数の個数: 224

約数和(自身を含む): 61447680

約数和(自身を除く): 42548800

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 13, 14, 16, 20, 22, 26, 28, 32, 35, 40, 44, 52, 55, 56, 59, 64, 65, 70, 77, 80, 88, 91, 104, 110, 112, 118, 130, 140, 143, 154, 160, 176, 182, 208, 220, 224, 236, 260, 280, 286, 295, 308, 320, 352, 364, 385, 413, 416, 440, 448, 455, 472, 520, 560, 572, 590, 616, 649, 704, 715, 728, 767, 770, 826, 832, 880, 910, 944, 1001, 1040, 1120, 1144, 1180, 1232, 1298, 1430, 1456, 1534, 1540, 1652, 1760, 1820, 1888, 2002, 2065, 2080, 2240, 2288, 2360, 2464, 2596, 2860, 2912, 3068, 3080, 3245, 3304, 3520, 3640, 3776, 3835, 4004, 4130, 4160, 4543, 4576, 4720, 4928, 5005, 5192, 5369, 5720, 5824, 6136, 6160, 6490, 6608, 7280, 7670, 8008, 8260, 8437, 9086, 9152, 9440, 10010, 10384, 10738, 11440, 12272, 12320, 12980, 13216, 14560, 15340, 16016, 16520, 16874, 18172, 18880, 20020, 20768, 21476, 22715, 22880, 24544, 24640, 25960, 26432, 26845, 29120, 30680, 32032, 33040, 33748, 36344, 40040, 41536, 42185, 42952, 45430, 45760, 49088, 51920, 53690, 59059, 61360, 64064, 66080, 67496, 72688, 80080, 84370, 85904, 90860, 103840, 107380, 118118, 122720, 132160, 134992, 145376, 160160, 168740, 171808, 181720, 207680, 214760, 236236, 245440, 269984, 290752, 295295, 320320, 337480, 343616, 363440, 429520, 472472, 539968, 590590, 674960, 726880, 859040, 944944, 1181180, 1349920, 1453760, 1718080, 1889888, 2362360, 2699840, 3779776, 4724720, 9449440, 18898880]

約数ペア:

[(1, 18898880), (2, 9449440), (4, 4724720), (5, 3779776), (7, 2699840), (8, 2362360), (10, 1889888), (11, 1718080), (13, 1453760), (14, 1349920), (16, 1181180), (20, 944944), (22, 859040), (26, 726880), (28, 674960), (32, 590590), (35, 539968), (40, 472472), (44, 429520), (52, 363440), (55, 343616), (56, 337480), (59, 320320), (64, 295295), (65, 290752), (70, 269984), (77, 245440), (80, 236236), (88, 214760), (91, 207680), (104, 181720), (110, 171808), (112, 168740), (118, 160160), (130, 145376), (140, 134992), (143, 132160), (154, 122720), (160, 118118), (176, 107380), (182, 103840), (208, 90860), (220, 85904), (224, 84370), (236, 80080), (260, 72688), (280, 67496), (286, 66080), (295, 64064), (308, 61360), (320, 59059), (352, 53690), (364, 51920), (385, 49088), (413, 45760), (416, 45430), (440, 42952), (448, 42185), (455, 41536), (472, 40040), (520, 36344), (560, 33748), (572, 33040), (590, 32032), (616, 30680), (649, 29120), (704, 26845), (715, 26432), (728, 25960), (767, 24640), (770, 24544), (826, 22880), (832, 22715), (880, 21476), (910, 20768), (944, 20020), (1001, 18880), (1040, 18172), (1120, 16874), (1144, 16520), (1180, 16016), (1232, 15340), (1298, 14560), (1430, 13216), (1456, 12980), (1534, 12320), (1540, 12272), (1652, 11440), (1760, 10738), (1820, 10384), (1888, 10010), (2002, 9440), (2065, 9152), (2080, 9086), (2240, 8437), (2288, 8260), (2360, 8008), (2464, 7670), (2596, 7280), (2860, 6608), (2912, 6490), (3068, 6160), (3080, 6136), (3245, 5824), (3304, 5720), (3520, 5369), (3640, 5192), (3776, 5005), (3835, 4928), (4004, 4720), (4130, 4576), (4160, 4543)]