19006719921

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{6689}}^1$

素因数の和:6815

約数の個数: 96

約数和(自身を含む): 34264788480

約数和(自身を除く): 15258068559

約数列:

[1, 3, 7, 9, 21, 23, 37, 53, 63, 69, 111, 159, 161, 207, 259, 333, 371, 477, 483, 777, 851, 1113, 1219, 1449, 1961, 2331, 2553, 3339, 3657, 5883, 5957, 6689, 7659, 8533, 10971, 13727, 17649, 17871, 20067, 25599, 41181, 45103, 46823, 53613, 60201, 76797, 123543, 135309, 140469, 153847, 247493, 315721, 354517, 405927, 421407, 461541, 742479, 947163, 1063551, 1076929, 1384623, 1732451, 2227437, 2481619, 2841489, 3190653, 3230787, 5197353, 5692339, 7444857, 8153891, 9692361, 13117129, 15592059, 17077017, 22334571, 24461673, 39351387, 39846373, 51231051, 57077237, 73385019, 91819903, 118054161, 119539119, 171231711, 275459709, 301693967, 358617357, 513695133, 826379127, 905081901, 2111857769, 2715245703, 6335573307, 19006719921]

約数ペア:

[(1, 19006719921), (3, 6335573307), (7, 2715245703), (9, 2111857769), (21, 905081901), (23, 826379127), (37, 513695133), (53, 358617357), (63, 301693967), (69, 275459709), (111, 171231711), (159, 119539119), (161, 118054161), (207, 91819903), (259, 73385019), (333, 57077237), (371, 51231051), (477, 39846373), (483, 39351387), (777, 24461673), (851, 22334571), (1113, 17077017), (1219, 15592059), (1449, 13117129), (1961, 9692361), (2331, 8153891), (2553, 7444857), (3339, 5692339), (3657, 5197353), (5883, 3230787), (5957, 3190653), (6689, 2841489), (7659, 2481619), (8533, 2227437), (10971, 1732451), (13727, 1384623), (17649, 1076929), (17871, 1063551), (20067, 947163), (25599, 742479), (41181, 461541), (45103, 421407), (46823, 405927), (53613, 354517), (60201, 315721), (76797, 247493), (123543, 153847), (135309, 140469)]