18979030

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{271129}}^1$

素因数の和:271143

約数の個数: 16

約数和(自身を含む): 39042720

約数和(自身を除く): 20063690

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 271129, 542258, 1355645, 1897903, 2711290, 3795806, 9489515, 18979030]

約数ペア:

[(1, 18979030), (2, 9489515), (5, 3795806), (7, 2711290), (10, 1897903), (14, 1355645), (35, 542258), (70, 271129)]