19644140

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{12433}}^1$

素因数の和:12521

約数の個数: 24

約数和(自身を含む): 41778240

約数和(自身を除く): 22134100

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 12433, 24866, 49732, 62165, 124330, 248660, 982207, 1964414, 3928828, 4911035, 9822070, 19644140]

約数ペア:

[(1, 19644140), (2, 9822070), (4, 4911035), (5, 3928828), (10, 1964414), (20, 982207), (79, 248660), (158, 124330), (316, 62165), (395, 49732), (790, 24866), (1580, 12433)]