18731910080

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{929}}^1$

素因数の和:1127

約数の個数: 224

約数和(自身を含む): 49764939840

約数和(自身を除く): 31033029760

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 37, 40, 52, 64, 65, 74, 80, 104, 130, 131, 148, 160, 185, 208, 260, 262, 296, 320, 370, 416, 481, 520, 524, 592, 655, 740, 832, 929, 962, 1040, 1048, 1184, 1310, 1480, 1703, 1858, 1924, 2080, 2096, 2368, 2405, 2620, 2960, 3406, 3716, 3848, 4160, 4192, 4645, 4810, 4847, 5240, 5920, 6812, 7432, 7696, 8384, 8515, 9290, 9620, 9694, 10480, 11840, 12077, 13624, 14864, 15392, 17030, 18580, 19240, 19388, 20960, 24154, 24235, 27248, 29728, 30784, 34060, 34373, 37160, 38480, 38776, 41920, 48308, 48470, 54496, 59456, 60385, 63011, 68120, 68746, 74320, 76960, 77552, 96616, 96940, 108992, 120770, 121699, 126022, 136240, 137492, 148640, 153920, 155104, 171865, 193232, 193880, 241540, 243398, 252044, 272480, 274984, 297280, 310208, 315055, 343730, 386464, 387760, 446849, 483080, 486796, 504088, 544960, 549968, 608495, 630110, 687460, 772928, 775520, 893698, 966160, 973592, 1008176, 1099936, 1216990, 1260220, 1374920, 1551040, 1582087, 1787396, 1932320, 1947184, 2016352, 2199872, 2234245, 2433980, 2520440, 2749840, 3164174, 3574792, 3864640, 3894368, 4032704, 4468490, 4502863, 4867960, 5040880, 5499680, 6328348, 7149584, 7788736, 7910435, 8936980, 9005726, 9735920, 10081760, 10999360, 12656696, 14299168, 15820870, 17873960, 18011452, 19471840, 20163520, 22514315, 25313392, 28598336, 31641740, 35747920, 36022904, 38943680, 45028630, 50626784, 58537219, 63283480, 71495840, 72045808, 90057260, 101253568, 117074438, 126566960, 142991680, 144091616, 180114520, 234148876, 253133920, 288183232, 292686095, 360229040, 468297752, 506267840, 585372190, 720458080, 936595504, 1170744380, 1440916160, 1873191008, 2341488760, 3746382016, 4682977520, 9365955040, 18731910080]

約数ペア:

[(1, 18731910080), (2, 9365955040), (4, 4682977520), (5, 3746382016), (8, 2341488760), (10, 1873191008), (13, 1440916160), (16, 1170744380), (20, 936595504), (26, 720458080), (32, 585372190), (37, 506267840), (40, 468297752), (52, 360229040), (64, 292686095), (65, 288183232), (74, 253133920), (80, 234148876), (104, 180114520), (130, 144091616), (131, 142991680), (148, 126566960), (160, 117074438), (185, 101253568), (208, 90057260), (260, 72045808), (262, 71495840), (296, 63283480), (320, 58537219), (370, 50626784), (416, 45028630), (481, 38943680), (520, 36022904), (524, 35747920), (592, 31641740), (655, 28598336), (740, 25313392), (832, 22514315), (929, 20163520), (962, 19471840), (1040, 18011452), (1048, 17873960), (1184, 15820870), (1310, 14299168), (1480, 12656696), (1703, 10999360), (1858, 10081760), (1924, 9735920), (2080, 9005726), (2096, 8936980), (2368, 7910435), (2405, 7788736), (2620, 7149584), (2960, 6328348), (3406, 5499680), (3716, 5040880), (3848, 4867960), (4160, 4502863), (4192, 4468490), (4645, 4032704), (4810, 3894368), (4847, 3864640), (5240, 3574792), (5920, 3164174), (6812, 2749840), (7432, 2520440), (7696, 2433980), (8384, 2234245), (8515, 2199872), (9290, 2016352), (9620, 1947184), (9694, 1932320), (10480, 1787396), (11840, 1582087), (12077, 1551040), (13624, 1374920), (14864, 1260220), (15392, 1216990), (17030, 1099936), (18580, 1008176), (19240, 973592), (19388, 966160), (20960, 893698), (24154, 775520), (24235, 772928), (27248, 687460), (29728, 630110), (30784, 608495), (34060, 549968), (34373, 544960), (37160, 504088), (38480, 486796), (38776, 483080), (41920, 446849), (48308, 387760), (48470, 386464), (54496, 343730), (59456, 315055), (60385, 310208), (63011, 297280), (68120, 274984), (68746, 272480), (74320, 252044), (76960, 243398), (77552, 241540), (96616, 193880), (96940, 193232), (108992, 171865), (120770, 155104), (121699, 153920), (126022, 148640), (136240, 137492)]