19609030

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{280129}}^1$

素因数の和:280143

約数の個数: 16

約数和(自身を含む): 40338720

約数和(自身を除く): 20729690

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 280129, 560258, 1400645, 1960903, 2801290, 3921806, 9804515, 19609030]

約数ペア:

[(1, 19609030), (2, 9804515), (5, 3921806), (7, 2801290), (10, 1960903), (14, 1400645), (35, 560258), (70, 280129)]