19530147

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{5503}}^1$

素因数の和:5539

約数の個数: 24

約数和(自身を含む): 32231424

約数和(自身を除く): 12701277

約数列:

[1, 3, 7, 13, 21, 39, 91, 169, 273, 507, 1183, 3549, 5503, 16509, 38521, 71539, 115563, 214617, 500773, 930007, 1502319, 2790021, 6510049, 19530147]

約数ペア:

[(1, 19530147), (3, 6510049), (7, 2790021), (13, 1502319), (21, 930007), (39, 500773), (91, 214617), (169, 115563), (273, 71539), (507, 38521), (1183, 16509), (3549, 5503)]