18906790

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{270097}}^1$

素因数の和:270111

約数の個数: 16

約数和(自身を含む): 38894112

約数和(自身を除く): 19987322

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 270097, 540194, 1350485, 1890679, 2700970, 3781358, 9453395, 18906790]

約数ペア:

[(1, 18906790), (2, 9453395), (5, 3781358), (7, 2700970), (10, 1890679), (14, 1350485), (35, 540194), (70, 270097)]