19740672

素因数分解:

$2^{11}\times 3^4\times 7^1\times {\mathrm{17}}^1$

素因数の和:58

約数の個数: 240

約数和(自身を含む): 71351280

約数和(自身を除く): 51610608

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 17, 18, 21, 24, 27, 28, 32, 34, 36, 42, 48, 51, 54, 56, 63, 64, 68, 72, 81, 84, 96, 102, 108, 112, 119, 126, 128, 136, 144, 153, 162, 168, 189, 192, 204, 216, 224, 238, 252, 256, 272, 288, 306, 324, 336, 357, 378, 384, 408, 432, 448, 459, 476, 504, 512, 544, 567, 576, 612, 648, 672, 714, 756, 768, 816, 864, 896, 918, 952, 1008, 1024, 1071, 1088, 1134, 1152, 1224, 1296, 1344, 1377, 1428, 1512, 1536, 1632, 1728, 1792, 1836, 1904, 2016, 2048, 2142, 2176, 2268, 2304, 2448, 2592, 2688, 2754, 2856, 3024, 3072, 3213, 3264, 3456, 3584, 3672, 3808, 4032, 4284, 4352, 4536, 4608, 4896, 5184, 5376, 5508, 5712, 6048, 6144, 6426, 6528, 6912, 7168, 7344, 7616, 8064, 8568, 8704, 9072, 9216, 9639, 9792, 10368, 10752, 11016, 11424, 12096, 12852, 13056, 13824, 14336, 14688, 15232, 16128, 17136, 17408, 18144, 18432, 19278, 19584, 20736, 21504, 22032, 22848, 24192, 25704, 26112, 27648, 29376, 30464, 32256, 34272, 34816, 36288, 38556, 39168, 41472, 43008, 44064, 45696, 48384, 51408, 52224, 55296, 58752, 60928, 64512, 68544, 72576, 77112, 78336, 82944, 88128, 91392, 96768, 102816, 104448, 117504, 121856, 129024, 137088, 145152, 154224, 156672, 165888, 176256, 182784, 193536, 205632, 235008, 243712, 274176, 290304, 308448, 313344, 352512, 365568, 387072, 411264, 470016, 548352, 580608, 616896, 705024, 731136, 822528, 940032, 1096704, 1161216, 1233792, 1410048, 1645056, 2193408, 2467584, 2820096, 3290112, 4935168, 6580224, 9870336, 19740672]

約数ペア:

[(1, 19740672), (2, 9870336), (3, 6580224), (4, 4935168), (6, 3290112), (7, 2820096), (8, 2467584), (9, 2193408), (12, 1645056), (14, 1410048), (16, 1233792), (17, 1161216), (18, 1096704), (21, 940032), (24, 822528), (27, 731136), (28, 705024), (32, 616896), (34, 580608), (36, 548352), (42, 470016), (48, 411264), (51, 387072), (54, 365568), (56, 352512), (63, 313344), (64, 308448), (68, 290304), (72, 274176), (81, 243712), (84, 235008), (96, 205632), (102, 193536), (108, 182784), (112, 176256), (119, 165888), (126, 156672), (128, 154224), (136, 145152), (144, 137088), (153, 129024), (162, 121856), (168, 117504), (189, 104448), (192, 102816), (204, 96768), (216, 91392), (224, 88128), (238, 82944), (252, 78336), (256, 77112), (272, 72576), (288, 68544), (306, 64512), (324, 60928), (336, 58752), (357, 55296), (378, 52224), (384, 51408), (408, 48384), (432, 45696), (448, 44064), (459, 43008), (476, 41472), (504, 39168), (512, 38556), (544, 36288), (567, 34816), (576, 34272), (612, 32256), (648, 30464), (672, 29376), (714, 27648), (756, 26112), (768, 25704), (816, 24192), (864, 22848), (896, 22032), (918, 21504), (952, 20736), (1008, 19584), (1024, 19278), (1071, 18432), (1088, 18144), (1134, 17408), (1152, 17136), (1224, 16128), (1296, 15232), (1344, 14688), (1377, 14336), (1428, 13824), (1512, 13056), (1536, 12852), (1632, 12096), (1728, 11424), (1792, 11016), (1836, 10752), (1904, 10368), (2016, 9792), (2048, 9639), (2142, 9216), (2176, 9072), (2268, 8704), (2304, 8568), (2448, 8064), (2592, 7616), (2688, 7344), (2754, 7168), (2856, 6912), (3024, 6528), (3072, 6426), (3213, 6144), (3264, 6048), (3456, 5712), (3584, 5508), (3672, 5376), (3808, 5184), (4032, 4896), (4284, 4608), (4352, 4536)]