18738970

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{43579}}^1$

素因数の和:43629

約数の個数: 16

約数和(自身を含む): 34515360

約数和(自身を除く): 15776390

約数列:

[1, 2, 5, 10, 43, 86, 215, 430, 43579, 87158, 217895, 435790, 1873897, 3747794, 9369485, 18738970]

約数ペア:

[(1, 18738970), (2, 9369485), (5, 3747794), (10, 1873897), (43, 435790), (86, 217895), (215, 87158), (430, 43579)]