18932240

素因数分解:

$2^4\times 5^1\times {\mathrm{236653}}^1$

素因数の和:236666

約数の個数: 20

約数和(自身を含む): 44017644

約数和(自身を除く): 25085404

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 236653, 473306, 946612, 1183265, 1893224, 2366530, 3786448, 4733060, 9466120, 18932240]

約数ペア:

[(1, 18932240), (2, 9466120), (4, 4733060), (5, 3786448), (8, 2366530), (10, 1893224), (16, 1183265), (20, 946612), (40, 473306), (80, 236653)]