19804554

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{11}}^2\times {\mathrm{433}}^1$

素因数の和:473

約数の個数: 96

約数和(自身を含む): 55413120

約数和(自身を除く): 35608566

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 27, 33, 42, 54, 63, 66, 77, 99, 121, 126, 154, 189, 198, 231, 242, 297, 363, 378, 433, 462, 594, 693, 726, 847, 866, 1089, 1299, 1386, 1694, 2079, 2178, 2541, 2598, 3031, 3267, 3897, 4158, 4763, 5082, 6062, 6534, 7623, 7794, 9093, 9526, 11691, 14289, 15246, 18186, 22869, 23382, 27279, 28578, 33341, 42867, 45738, 52393, 54558, 66682, 81837, 85734, 100023, 104786, 128601, 157179, 163674, 200046, 257202, 300069, 314358, 366751, 471537, 600138, 733502, 900207, 943074, 1100253, 1414611, 1800414, 2200506, 2829222, 3300759, 6601518, 9902277, 19804554]

約数ペア:

[(1, 19804554), (2, 9902277), (3, 6601518), (6, 3300759), (7, 2829222), (9, 2200506), (11, 1800414), (14, 1414611), (18, 1100253), (21, 943074), (22, 900207), (27, 733502), (33, 600138), (42, 471537), (54, 366751), (63, 314358), (66, 300069), (77, 257202), (99, 200046), (121, 163674), (126, 157179), (154, 128601), (189, 104786), (198, 100023), (231, 85734), (242, 81837), (297, 66682), (363, 54558), (378, 52393), (433, 45738), (462, 42867), (594, 33341), (693, 28578), (726, 27279), (847, 23382), (866, 22869), (1089, 18186), (1299, 15246), (1386, 14289), (1694, 11691), (2079, 9526), (2178, 9093), (2541, 7794), (2598, 7623), (3031, 6534), (3267, 6062), (3897, 5082), (4158, 4763)]