17953180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{128237}}^1$

素因数の和:128253

約数の個数: 24

約数和(自身を含む): 43087968

約数和(自身を除く): 25134788

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 128237, 256474, 512948, 641185, 897659, 1282370, 1795318, 2564740, 3590636, 4488295, 8976590, 17953180]

約数ペア:

[(1, 17953180), (2, 8976590), (4, 4488295), (5, 3590636), (7, 2564740), (10, 1795318), (14, 1282370), (20, 897659), (28, 641185), (35, 512948), (70, 256474), (140, 128237)]