18900350

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{54001}}^1$

素因数の和:54020

約数の個数: 24

約数和(自身を含む): 40177488

約数和(自身を除く): 21277138

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 175, 350, 54001, 108002, 270005, 378007, 540010, 756014, 1350025, 1890035, 2700050, 3780070, 9450175, 18900350]

約数ペア:

[(1, 18900350), (2, 9450175), (5, 3780070), (7, 2700050), (10, 1890035), (14, 1350025), (25, 756014), (35, 540010), (50, 378007), (70, 270005), (175, 108002), (350, 54001)]