18695196

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{929}}^1$

素因数の和:995

約数の個数: 72

約数和(自身を含む): 52132080

約数和(自身を除く): 33436884

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 43, 52, 78, 86, 117, 129, 156, 172, 234, 258, 387, 468, 516, 559, 774, 929, 1118, 1548, 1677, 1858, 2236, 2787, 3354, 3716, 5031, 5574, 6708, 8361, 10062, 11148, 12077, 16722, 20124, 24154, 33444, 36231, 39947, 48308, 72462, 79894, 108693, 119841, 144924, 159788, 217386, 239682, 359523, 434772, 479364, 519311, 719046, 1038622, 1438092, 1557933, 2077244, 3115866, 4673799, 6231732, 9347598, 18695196]

約数ペア:

[(1, 18695196), (2, 9347598), (3, 6231732), (4, 4673799), (6, 3115866), (9, 2077244), (12, 1557933), (13, 1438092), (18, 1038622), (26, 719046), (36, 519311), (39, 479364), (43, 434772), (52, 359523), (78, 239682), (86, 217386), (117, 159788), (129, 144924), (156, 119841), (172, 108693), (234, 79894), (258, 72462), (387, 48308), (468, 39947), (516, 36231), (559, 33444), (774, 24154), (929, 20124), (1118, 16722), (1548, 12077), (1677, 11148), (1858, 10062), (2236, 8361), (2787, 6708), (3354, 5574), (3716, 5031)]