18946060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{135329}}^1$

素因数の和:135345

約数の個数: 24

約数和(自身を含む): 45470880

約数和(自身を除く): 26524820

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 135329, 270658, 541316, 676645, 947303, 1353290, 1894606, 2706580, 3789212, 4736515, 9473030, 18946060]

約数ペア:

[(1, 18946060), (2, 9473030), (4, 4736515), (5, 3789212), (7, 2706580), (10, 1894606), (14, 1353290), (20, 947303), (28, 676645), (35, 541316), (70, 270658), (140, 135329)]