18218756

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{1451}}^1$

素因数の和:1571

約数の個数: 24

約数和(自身を含む): 33093984

約数和(自身を除く): 14875228

約数列:

[1, 2, 4, 43, 73, 86, 146, 172, 292, 1451, 2902, 3139, 5804, 6278, 12556, 62393, 105923, 124786, 211846, 249572, 423692, 4554689, 9109378, 18218756]

約数ペア:

[(1, 18218756), (2, 9109378), (4, 4554689), (43, 423692), (73, 249572), (86, 211846), (146, 124786), (172, 105923), (292, 62393), (1451, 12556), (2902, 6278), (3139, 5804)]