19771136

素因数分解:

$2^8\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1$

素因数の和:110

約数の個数: 144

約数和(自身を含む): 52980480

約数和(自身を除く): 33209344

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 17, 22, 28, 32, 34, 44, 56, 59, 64, 68, 77, 88, 112, 118, 119, 128, 136, 154, 176, 187, 224, 236, 238, 256, 272, 308, 352, 374, 413, 448, 472, 476, 544, 616, 649, 704, 748, 826, 896, 944, 952, 1003, 1088, 1232, 1298, 1309, 1408, 1496, 1652, 1792, 1888, 1904, 2006, 2176, 2464, 2596, 2618, 2816, 2992, 3304, 3776, 3808, 4012, 4352, 4543, 4928, 5192, 5236, 5984, 6608, 7021, 7552, 7616, 8024, 9086, 9856, 10384, 10472, 11033, 11968, 13216, 14042, 15104, 15232, 16048, 18172, 19712, 20768, 20944, 22066, 23936, 26432, 28084, 30464, 32096, 36344, 41536, 41888, 44132, 47872, 52864, 56168, 64192, 72688, 77231, 83072, 83776, 88264, 105728, 112336, 128384, 145376, 154462, 166144, 167552, 176528, 224672, 256768, 290752, 308924, 335104, 353056, 449344, 581504, 617848, 706112, 898688, 1163008, 1235696, 1412224, 1797376, 2471392, 2824448, 4942784, 9885568, 19771136]

約数ペア:

[(1, 19771136), (2, 9885568), (4, 4942784), (7, 2824448), (8, 2471392), (11, 1797376), (14, 1412224), (16, 1235696), (17, 1163008), (22, 898688), (28, 706112), (32, 617848), (34, 581504), (44, 449344), (56, 353056), (59, 335104), (64, 308924), (68, 290752), (77, 256768), (88, 224672), (112, 176528), (118, 167552), (119, 166144), (128, 154462), (136, 145376), (154, 128384), (176, 112336), (187, 105728), (224, 88264), (236, 83776), (238, 83072), (256, 77231), (272, 72688), (308, 64192), (352, 56168), (374, 52864), (413, 47872), (448, 44132), (472, 41888), (476, 41536), (544, 36344), (616, 32096), (649, 30464), (704, 28084), (748, 26432), (826, 23936), (896, 22066), (944, 20944), (952, 20768), (1003, 19712), (1088, 18172), (1232, 16048), (1298, 15232), (1309, 15104), (1408, 14042), (1496, 13216), (1652, 11968), (1792, 11033), (1888, 10472), (1904, 10384), (2006, 9856), (2176, 9086), (2464, 8024), (2596, 7616), (2618, 7552), (2816, 7021), (2992, 6608), (3304, 5984), (3776, 5236), (3808, 5192), (4012, 4928), (4352, 4543)]