19955904

素因数分解:

$2^6\times 3^1\times {\mathrm{23}}^1\times {\mathrm{4519}}^1$

素因数の和:4557

約数の個数: 56

約数和(自身を含む): 55107840

約数和(自身を除く): 35151936

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 32, 46, 48, 64, 69, 92, 96, 138, 184, 192, 276, 368, 552, 736, 1104, 1472, 2208, 4416, 4519, 9038, 13557, 18076, 27114, 36152, 54228, 72304, 103937, 108456, 144608, 207874, 216912, 289216, 311811, 415748, 433824, 623622, 831496, 867648, 1247244, 1662992, 2494488, 3325984, 4988976, 6651968, 9977952, 19955904]

約数ペア:

[(1, 19955904), (2, 9977952), (3, 6651968), (4, 4988976), (6, 3325984), (8, 2494488), (12, 1662992), (16, 1247244), (23, 867648), (24, 831496), (32, 623622), (46, 433824), (48, 415748), (64, 311811), (69, 289216), (92, 216912), (96, 207874), (138, 144608), (184, 108456), (192, 103937), (276, 72304), (368, 54228), (552, 36152), (736, 27114), (1104, 18076), (1472, 13557), (2208, 9038), (4416, 4519)]