18921941920

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{2153}}^1$

素因数の和:2260

約数の個数: 288

約数和(自身を含む): 55692100800

約数和(自身を除く): 36770158880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 49, 56, 59, 70, 76, 80, 95, 98, 112, 118, 133, 140, 152, 160, 190, 196, 224, 236, 245, 266, 280, 295, 304, 380, 392, 413, 472, 490, 532, 560, 590, 608, 665, 760, 784, 826, 931, 944, 980, 1064, 1120, 1121, 1180, 1330, 1520, 1568, 1652, 1862, 1888, 1960, 2065, 2128, 2153, 2242, 2360, 2660, 2891, 3040, 3304, 3724, 3920, 4130, 4256, 4306, 4484, 4655, 4720, 5320, 5605, 5782, 6608, 7448, 7840, 7847, 8260, 8612, 8968, 9310, 9440, 10640, 10765, 11210, 11564, 13216, 14455, 14896, 15071, 15694, 16520, 17224, 17936, 18620, 21280, 21530, 22420, 23128, 28910, 29792, 30142, 31388, 33040, 34448, 35872, 37240, 39235, 40907, 43060, 44840, 46256, 54929, 57820, 60284, 62776, 66080, 68896, 74480, 75355, 78470, 81814, 86120, 89680, 92512, 105497, 109858, 115640, 120568, 125552, 127027, 148960, 150710, 156940, 163628, 172240, 179360, 204535, 210994, 219716, 231280, 241136, 251104, 254054, 274645, 286349, 301420, 313880, 327256, 344480, 409070, 421988, 439432, 462560, 482272, 508108, 527485, 549290, 572698, 602840, 627760, 635135, 654512, 818140, 843976, 878864, 889189, 1016216, 1054970, 1098580, 1145396, 1205680, 1255520, 1270270, 1309024, 1431745, 1636280, 1687952, 1757728, 1778378, 2004443, 2032432, 2109940, 2197160, 2290792, 2411360, 2413513, 2540540, 2863490, 3272560, 3375904, 3556756, 4008886, 4064864, 4219880, 4394320, 4445945, 4581584, 4827026, 5081080, 5726980, 6224323, 6545120, 7113512, 8017772, 8439760, 8788640, 8891890, 9163168, 9654052, 10022215, 10162160, 11453960, 12067565, 12448646, 14227024, 16035544, 16879520, 16894591, 17783780, 19308104, 20044430, 20324320, 22907920, 24135130, 24897292, 28454048, 31121615, 32071088, 33789182, 35567560, 38616208, 40088860, 45815840, 48270260, 49794584, 62243230, 64142176, 67578364, 71135120, 77232416, 80177720, 84472955, 96540520, 99589168, 118262137, 124486460, 135156728, 142270240, 160355440, 168945910, 193081040, 199178336, 236524274, 248972920, 270313456, 320710880, 337891820, 386162080, 473048548, 497945840, 540626912, 591310685, 675783640, 946097096, 995891680, 1182621370, 1351567280, 1892194192, 2365242740, 2703134560, 3784388384, 4730485480, 9460970960, 18921941920]

約数ペア:

[(1, 18921941920), (2, 9460970960), (4, 4730485480), (5, 3784388384), (7, 2703134560), (8, 2365242740), (10, 1892194192), (14, 1351567280), (16, 1182621370), (19, 995891680), (20, 946097096), (28, 675783640), (32, 591310685), (35, 540626912), (38, 497945840), (40, 473048548), (49, 386162080), (56, 337891820), (59, 320710880), (70, 270313456), (76, 248972920), (80, 236524274), (95, 199178336), (98, 193081040), (112, 168945910), (118, 160355440), (133, 142270240), (140, 135156728), (152, 124486460), (160, 118262137), (190, 99589168), (196, 96540520), (224, 84472955), (236, 80177720), (245, 77232416), (266, 71135120), (280, 67578364), (295, 64142176), (304, 62243230), (380, 49794584), (392, 48270260), (413, 45815840), (472, 40088860), (490, 38616208), (532, 35567560), (560, 33789182), (590, 32071088), (608, 31121615), (665, 28454048), (760, 24897292), (784, 24135130), (826, 22907920), (931, 20324320), (944, 20044430), (980, 19308104), (1064, 17783780), (1120, 16894591), (1121, 16879520), (1180, 16035544), (1330, 14227024), (1520, 12448646), (1568, 12067565), (1652, 11453960), (1862, 10162160), (1888, 10022215), (1960, 9654052), (2065, 9163168), (2128, 8891890), (2153, 8788640), (2242, 8439760), (2360, 8017772), (2660, 7113512), (2891, 6545120), (3040, 6224323), (3304, 5726980), (3724, 5081080), (3920, 4827026), (4130, 4581584), (4256, 4445945), (4306, 4394320), (4484, 4219880), (4655, 4064864), (4720, 4008886), (5320, 3556756), (5605, 3375904), (5782, 3272560), (6608, 2863490), (7448, 2540540), (7840, 2413513), (7847, 2411360), (8260, 2290792), (8612, 2197160), (8968, 2109940), (9310, 2032432), (9440, 2004443), (10640, 1778378), (10765, 1757728), (11210, 1687952), (11564, 1636280), (13216, 1431745), (14455, 1309024), (14896, 1270270), (15071, 1255520), (15694, 1205680), (16520, 1145396), (17224, 1098580), (17936, 1054970), (18620, 1016216), (21280, 889189), (21530, 878864), (22420, 843976), (23128, 818140), (28910, 654512), (29792, 635135), (30142, 627760), (31388, 602840), (33040, 572698), (34448, 549290), (35872, 527485), (37240, 508108), (39235, 482272), (40907, 462560), (43060, 439432), (44840, 421988), (46256, 409070), (54929, 344480), (57820, 327256), (60284, 313880), (62776, 301420), (66080, 286349), (68896, 274645), (74480, 254054), (75355, 251104), (78470, 241136), (81814, 231280), (86120, 219716), (89680, 210994), (92512, 204535), (105497, 179360), (109858, 172240), (115640, 163628), (120568, 156940), (125552, 150710), (127027, 148960)]