19640320

素因数分解:

$2^{12}\times 5^1\times 7^1\times {\mathrm{137}}^1$

素因数の和:173

約数の個数: 104

約数和(自身を含む): 54257184

約数和(自身を除く): 34616864

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 137, 140, 160, 224, 256, 274, 280, 320, 448, 512, 548, 560, 640, 685, 896, 959, 1024, 1096, 1120, 1280, 1370, 1792, 1918, 2048, 2192, 2240, 2560, 2740, 3584, 3836, 4096, 4384, 4480, 4795, 5120, 5480, 7168, 7672, 8768, 8960, 9590, 10240, 10960, 14336, 15344, 17536, 17920, 19180, 20480, 21920, 28672, 30688, 35072, 35840, 38360, 43840, 61376, 70144, 71680, 76720, 87680, 122752, 140288, 143360, 153440, 175360, 245504, 280576, 306880, 350720, 491008, 561152, 613760, 701440, 982016, 1227520, 1402880, 1964032, 2455040, 2805760, 3928064, 4910080, 9820160, 19640320]

約数ペア:

[(1, 19640320), (2, 9820160), (4, 4910080), (5, 3928064), (7, 2805760), (8, 2455040), (10, 1964032), (14, 1402880), (16, 1227520), (20, 982016), (28, 701440), (32, 613760), (35, 561152), (40, 491008), (56, 350720), (64, 306880), (70, 280576), (80, 245504), (112, 175360), (128, 153440), (137, 143360), (140, 140288), (160, 122752), (224, 87680), (256, 76720), (274, 71680), (280, 70144), (320, 61376), (448, 43840), (512, 38360), (548, 35840), (560, 35072), (640, 30688), (685, 28672), (896, 21920), (959, 20480), (1024, 19180), (1096, 17920), (1120, 17536), (1280, 15344), (1370, 14336), (1792, 10960), (1918, 10240), (2048, 9590), (2192, 8960), (2240, 8768), (2560, 7672), (2740, 7168), (3584, 5480), (3836, 5120), (4096, 4795), (4384, 4480)]