18214490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{260207}}^1$

素因数の和:260221

約数の個数: 16

約数和(自身を含む): 37469952

約数和(自身を除く): 19255462

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 260207, 520414, 1301035, 1821449, 2602070, 3642898, 9107245, 18214490]

約数ペア:

[(1, 18214490), (2, 9107245), (5, 3642898), (7, 2602070), (10, 1821449), (14, 1301035), (35, 520414), (70, 260207)]