19440140

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{20681}}^1$

素因数の和:20737

約数の個数: 24

約数和(自身を含む): 41694912

約数和(自身を除く): 22254772

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 940, 20681, 41362, 82724, 103405, 206810, 413620, 972007, 1944014, 3888028, 4860035, 9720070, 19440140]

約数ペア:

[(1, 19440140), (2, 9720070), (4, 4860035), (5, 3888028), (10, 1944014), (20, 972007), (47, 413620), (94, 206810), (188, 103405), (235, 82724), (470, 41362), (940, 20681)]