19618130

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{40037}}^1$

素因数の和:40058

約数の個数: 24

約数和(自身を含む): 41078988

約数和(自身を除く): 21460858

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 40037, 80074, 200185, 280259, 400370, 560518, 1401295, 1961813, 2802590, 3923626, 9809065, 19618130]

約数ペア:

[(1, 19618130), (2, 9809065), (5, 3923626), (7, 2802590), (10, 1961813), (14, 1401295), (35, 560518), (49, 400370), (70, 280259), (98, 200185), (245, 80074), (490, 40037)]