81267370

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{427723}}^1$

素因数の和:427749

約数の個数: 16

約数和(自身を含む): 153980640

約数和(自身を除く): 72713270

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 427723, 855446, 2138615, 4277230, 8126737, 16253474, 40633685, 81267370]

約数ペア:

[(1, 81267370), (2, 40633685), (5, 16253474), (10, 8126737), (19, 4277230), (38, 2138615), (95, 855446), (190, 427723)]