19198970

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{274271}}^1$

素因数の和:274285

約数の個数: 16

約数和(自身を含む): 39495168

約数和(自身を除く): 20296198

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 274271, 548542, 1371355, 1919897, 2742710, 3839794, 9599485, 19198970]

約数ペア:

[(1, 19198970), (2, 9599485), (5, 3839794), (7, 2742710), (10, 1919897), (14, 1371355), (35, 548542), (70, 274271)]