19998840708

素因数分解:

$2^2\times 3^6\times 7^1\times {\mathrm{11}}^1\times {\mathrm{89069}}^1$

素因数の和:89109

約数の個数: 168

約数和(自身を含む): 65421558720

約数和(自身を除く): 45422718012

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 18, 21, 22, 27, 28, 33, 36, 42, 44, 54, 63, 66, 77, 81, 84, 99, 108, 126, 132, 154, 162, 189, 198, 231, 243, 252, 297, 308, 324, 378, 396, 462, 486, 567, 594, 693, 729, 756, 891, 924, 972, 1134, 1188, 1386, 1458, 1701, 1782, 2079, 2268, 2673, 2772, 2916, 3402, 3564, 4158, 5103, 5346, 6237, 6804, 8019, 8316, 10206, 10692, 12474, 16038, 18711, 20412, 24948, 32076, 37422, 56133, 74844, 89069, 112266, 178138, 224532, 267207, 356276, 534414, 623483, 801621, 979759, 1068828, 1246966, 1603242, 1870449, 1959518, 2404863, 2493932, 2939277, 3206484, 3740898, 3919036, 4809726, 5611347, 5878554, 6858313, 7214589, 7481796, 8817831, 9619452, 11222694, 11757108, 13716626, 14429178, 16834041, 17635662, 20574939, 21643767, 22445388, 26453493, 27433252, 28858356, 33668082, 35271324, 41149878, 43287534, 50502123, 52906986, 61724817, 64931301, 67336164, 79360479, 82299756, 86575068, 101004246, 105813972, 123449634, 129862602, 151506369, 158720958, 185174451, 202008492, 238081437, 246899268, 259725204, 303012738, 317441916, 370348902, 454519107, 476162874, 555523353, 606025476, 714244311, 740697804, 909038214, 952325748, 1111046706, 1428488622, 1666570059, 1818076428, 2222093412, 2856977244, 3333140118, 4999710177, 6666280236, 9999420354, 19998840708]

約数ペア:

[(1, 19998840708), (2, 9999420354), (3, 6666280236), (4, 4999710177), (6, 3333140118), (7, 2856977244), (9, 2222093412), (11, 1818076428), (12, 1666570059), (14, 1428488622), (18, 1111046706), (21, 952325748), (22, 909038214), (27, 740697804), (28, 714244311), (33, 606025476), (36, 555523353), (42, 476162874), (44, 454519107), (54, 370348902), (63, 317441916), (66, 303012738), (77, 259725204), (81, 246899268), (84, 238081437), (99, 202008492), (108, 185174451), (126, 158720958), (132, 151506369), (154, 129862602), (162, 123449634), (189, 105813972), (198, 101004246), (231, 86575068), (243, 82299756), (252, 79360479), (297, 67336164), (308, 64931301), (324, 61724817), (378, 52906986), (396, 50502123), (462, 43287534), (486, 41149878), (567, 35271324), (594, 33668082), (693, 28858356), (729, 27433252), (756, 26453493), (891, 22445388), (924, 21643767), (972, 20574939), (1134, 17635662), (1188, 16834041), (1386, 14429178), (1458, 13716626), (1701, 11757108), (1782, 11222694), (2079, 9619452), (2268, 8817831), (2673, 7481796), (2772, 7214589), (2916, 6858313), (3402, 5878554), (3564, 5611347), (4158, 4809726), (5103, 3919036), (5346, 3740898), (6237, 3206484), (6804, 2939277), (8019, 2493932), (8316, 2404863), (10206, 1959518), (10692, 1870449), (12474, 1603242), (16038, 1246966), (18711, 1068828), (20412, 979759), (24948, 801621), (32076, 623483), (37422, 534414), (56133, 356276), (74844, 267207), (89069, 224532), (112266, 178138)]