19788678

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{4027}}^1$

素因数の和:4058

約数の個数: 64

約数和(自身を含む): 54136320

約数和(自身を除く): 34347642

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 27, 39, 42, 54, 63, 78, 91, 117, 126, 182, 189, 234, 273, 351, 378, 546, 702, 819, 1638, 2457, 4027, 4914, 8054, 12081, 24162, 28189, 36243, 52351, 56378, 72486, 84567, 104702, 108729, 157053, 169134, 217458, 253701, 314106, 366457, 471159, 507402, 732914, 761103, 942318, 1099371, 1413477, 1522206, 2198742, 2826954, 3298113, 6596226, 9894339, 19788678]

約数ペア:

[(1, 19788678), (2, 9894339), (3, 6596226), (6, 3298113), (7, 2826954), (9, 2198742), (13, 1522206), (14, 1413477), (18, 1099371), (21, 942318), (26, 761103), (27, 732914), (39, 507402), (42, 471159), (54, 366457), (63, 314106), (78, 253701), (91, 217458), (117, 169134), (126, 157053), (182, 108729), (189, 104702), (234, 84567), (273, 72486), (351, 56378), (378, 52351), (546, 36243), (702, 28189), (819, 24162), (1638, 12081), (2457, 8054), (4027, 4914)]