18580576

素因数分解:

$2^5\times 7^1\times {\mathrm{109}}^1\times {\mathrm{761}}^1$

素因数の和:887

約数の個数: 48

約数和(自身を含む): 42245280

約数和(自身を除く): 23664704

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 109, 112, 218, 224, 436, 761, 763, 872, 1522, 1526, 1744, 3044, 3052, 3488, 5327, 6088, 6104, 10654, 12176, 12208, 21308, 24352, 24416, 42616, 82949, 85232, 165898, 170464, 331796, 580643, 663592, 1161286, 1327184, 2322572, 2654368, 4645144, 9290288, 18580576]

約数ペア:

[(1, 18580576), (2, 9290288), (4, 4645144), (7, 2654368), (8, 2322572), (14, 1327184), (16, 1161286), (28, 663592), (32, 580643), (56, 331796), (109, 170464), (112, 165898), (218, 85232), (224, 82949), (436, 42616), (761, 24416), (763, 24352), (872, 21308), (1522, 12208), (1526, 12176), (1744, 10654), (3044, 6104), (3052, 6088), (3488, 5327)]