18563367976

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{19979}}^1$

素因数の和:20138

約数の個数: 64

約数和(自身を含む): 37081281600

約数和(自身を除く): 18517913624

約数列:

[1, 2, 4, 8, 37, 43, 73, 74, 86, 146, 148, 172, 292, 296, 344, 584, 1591, 2701, 3139, 3182, 5402, 6278, 6364, 10804, 12556, 12728, 19979, 21608, 25112, 39958, 79916, 116143, 159832, 232286, 464572, 739223, 859097, 929144, 1458467, 1478446, 1718194, 2916934, 2956892, 3436388, 5833868, 5913784, 6872776, 11667736, 31786589, 53963279, 62714081, 63573178, 107926558, 125428162, 127146356, 215853116, 250856324, 254292712, 431706232, 501712648, 2320420997, 4640841994, 9281683988, 18563367976]

約数ペア:

[(1, 18563367976), (2, 9281683988), (4, 4640841994), (8, 2320420997), (37, 501712648), (43, 431706232), (73, 254292712), (74, 250856324), (86, 215853116), (146, 127146356), (148, 125428162), (172, 107926558), (292, 63573178), (296, 62714081), (344, 53963279), (584, 31786589), (1591, 11667736), (2701, 6872776), (3139, 5913784), (3182, 5833868), (5402, 3436388), (6278, 2956892), (6364, 2916934), (10804, 1718194), (12556, 1478446), (12728, 1458467), (19979, 929144), (21608, 859097), (25112, 739223), (39958, 464572), (79916, 232286), (116143, 159832)]