19887296

素因数分解:

$2^6\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1$

素因数の和:130

約数の個数: 112

約数和(自身を含む): 48390048

約数和(自身を除く): 28502752

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 32, 41, 44, 52, 53, 64, 82, 88, 104, 106, 143, 164, 176, 208, 212, 286, 328, 352, 416, 424, 451, 533, 572, 583, 656, 689, 704, 832, 848, 902, 1066, 1144, 1166, 1312, 1378, 1696, 1804, 2132, 2173, 2288, 2332, 2624, 2756, 3392, 3608, 4264, 4346, 4576, 4664, 5512, 5863, 7216, 7579, 8528, 8692, 9152, 9328, 11024, 11726, 14432, 15158, 17056, 17384, 18656, 22048, 23452, 23903, 28249, 28864, 30316, 34112, 34768, 37312, 44096, 46904, 47806, 56498, 60632, 69536, 93808, 95612, 112996, 121264, 139072, 187616, 191224, 225992, 242528, 310739, 375232, 382448, 451984, 485056, 621478, 764896, 903968, 1242956, 1529792, 1807936, 2485912, 4971824, 9943648, 19887296]

約数ペア:

[(1, 19887296), (2, 9943648), (4, 4971824), (8, 2485912), (11, 1807936), (13, 1529792), (16, 1242956), (22, 903968), (26, 764896), (32, 621478), (41, 485056), (44, 451984), (52, 382448), (53, 375232), (64, 310739), (82, 242528), (88, 225992), (104, 191224), (106, 187616), (143, 139072), (164, 121264), (176, 112996), (208, 95612), (212, 93808), (286, 69536), (328, 60632), (352, 56498), (416, 47806), (424, 46904), (451, 44096), (533, 37312), (572, 34768), (583, 34112), (656, 30316), (689, 28864), (704, 28249), (832, 23903), (848, 23452), (902, 22048), (1066, 18656), (1144, 17384), (1166, 17056), (1312, 15158), (1378, 14432), (1696, 11726), (1804, 11024), (2132, 9328), (2173, 9152), (2288, 8692), (2332, 8528), (2624, 7579), (2756, 7216), (3392, 5863), (3608, 5512), (4264, 4664), (4346, 4576)]