19758161920

素因数分解:

$2^{13}\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{503}}^1$

素因数の和:678

約数の個数: 224

約数和(自身を含む): 54694579968

約数和(自身を除く): 34936418048

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, 503, 512, 548, 560, 640, 685, 896, 959, 1006, 1024, 1096, 1120, 1280, 1370, 1792, 1918, 2012, 2048, 2192, 2240, 2515, 2560, 2740, 3521, 3584, 3836, 4024, 4096, 4384, 4480, 4795, 5030, 5120, 5480, 7042, 7168, 7672, 8048, 8192, 8768, 8960, 9590, 10060, 10240, 10960, 14084, 14336, 15344, 16096, 17536, 17605, 17920, 19180, 20120, 20480, 21920, 28168, 28672, 30688, 32192, 35072, 35210, 35840, 38360, 40240, 40960, 43840, 56336, 57344, 61376, 64384, 68911, 70144, 70420, 71680, 76720, 80480, 87680, 112672, 122752, 128768, 137822, 140288, 140840, 143360, 153440, 160960, 175360, 225344, 245504, 257536, 275644, 280576, 281680, 286720, 306880, 321920, 344555, 350720, 450688, 482377, 491008, 515072, 551288, 561152, 563360, 613760, 643840, 689110, 701440, 901376, 964754, 982016, 1030144, 1102576, 1122304, 1126720, 1227520, 1287680, 1378220, 1402880, 1802752, 1929508, 1964032, 2060288, 2205152, 2253440, 2411885, 2455040, 2575360, 2756440, 2805760, 3605504, 3859016, 3928064, 4120576, 4410304, 4506880, 4823770, 4910080, 5150720, 5512880, 5611520, 7211008, 7718032, 7856128, 8820608, 9013760, 9647540, 9820160, 10301440, 11025760, 14422016, 15436064, 17641216, 18027520, 19295080, 19640320, 20602880, 22051520, 28844032, 30872128, 35282432, 36055040, 38590160, 39280640, 44103040, 61744256, 70564864, 72110080, 77180320, 88206080, 123488512, 141129728, 144220160, 154360640, 176412160, 246977024, 282259456, 308721280, 352824320, 493954048, 564518912, 617442560, 705648640, 987908096, 1234885120, 1411297280, 1975816192, 2469770240, 2822594560, 3951632384, 4939540480, 9879080960, 19758161920]

約数ペア:

[(1, 19758161920), (2, 9879080960), (4, 4939540480), (5, 3951632384), (7, 2822594560), (8, 2469770240), (10, 1975816192), (14, 1411297280), (16, 1234885120), (20, 987908096), (28, 705648640), (32, 617442560), (35, 564518912), (40, 493954048), (56, 352824320), (64, 308721280), (70, 282259456), (80, 246977024), (112, 176412160), (128, 154360640), (137, 144220160), (140, 141129728), (160, 123488512), (224, 88206080), (256, 77180320), (274, 72110080), (280, 70564864), (320, 61744256), (448, 44103040), (503, 39280640), (512, 38590160), (548, 36055040), (560, 35282432), (640, 30872128), (685, 28844032), (896, 22051520), (959, 20602880), (1006, 19640320), (1024, 19295080), (1096, 18027520), (1120, 17641216), (1280, 15436064), (1370, 14422016), (1792, 11025760), (1918, 10301440), (2012, 9820160), (2048, 9647540), (2192, 9013760), (2240, 8820608), (2515, 7856128), (2560, 7718032), (2740, 7211008), (3521, 5611520), (3584, 5512880), (3836, 5150720), (4024, 4910080), (4096, 4823770), (4384, 4506880), (4480, 4410304), (4795, 4120576), (5030, 3928064), (5120, 3859016), (5480, 3605504), (7042, 2805760), (7168, 2756440), (7672, 2575360), (8048, 2455040), (8192, 2411885), (8768, 2253440), (8960, 2205152), (9590, 2060288), (10060, 1964032), (10240, 1929508), (10960, 1802752), (14084, 1402880), (14336, 1378220), (15344, 1287680), (16096, 1227520), (17536, 1126720), (17605, 1122304), (17920, 1102576), (19180, 1030144), (20120, 982016), (20480, 964754), (21920, 901376), (28168, 701440), (28672, 689110), (30688, 643840), (32192, 613760), (35072, 563360), (35210, 561152), (35840, 551288), (38360, 515072), (40240, 491008), (40960, 482377), (43840, 450688), (56336, 350720), (57344, 344555), (61376, 321920), (64384, 306880), (68911, 286720), (70144, 281680), (70420, 280576), (71680, 275644), (76720, 257536), (80480, 245504), (87680, 225344), (112672, 175360), (122752, 160960), (128768, 153440), (137822, 143360), (140288, 140840)]