19974635540

素因数分解:

$2^2\times 5^1\times {\mathrm{863}}^1\times {\mathrm{1157279}}^1$

素因数の和:1158151

約数の個数: 24

約数和(自身を含む): 41995376640

約数和(自身を除く): 22020741100

約数列:

[1, 2, 4, 5, 10, 20, 863, 1726, 3452, 4315, 8630, 17260, 1157279, 2314558, 4629116, 5786395, 11572790, 23145580, 998731777, 1997463554, 3994927108, 4993658885, 9987317770, 19974635540]

約数ペア:

[(1, 19974635540), (2, 9987317770), (4, 4993658885), (5, 3994927108), (10, 1997463554), (20, 998731777), (863, 23145580), (1726, 11572790), (3452, 5786395), (4315, 4629116), (8630, 2314558), (17260, 1157279)]