19201940

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{23417}}^1$

素因数の和:23467

約数の個数: 24

約数和(自身を含む): 41309352

約数和(自身を除く): 22107412

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 23417, 46834, 93668, 117085, 234170, 468340, 960097, 1920194, 3840388, 4800485, 9600970, 19201940]

約数ペア:

[(1, 19201940), (2, 9600970), (4, 4800485), (5, 3840388), (10, 1920194), (20, 960097), (41, 468340), (82, 234170), (164, 117085), (205, 93668), (410, 46834), (820, 23417)]