18738040

素因数分解:

$2^3\times 5^1\times {\mathrm{468451}}^1$

素因数の和:468462

約数の個数: 16

約数和(自身を含む): 42160680

約数和(自身を除く): 23422640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 468451, 936902, 1873804, 2342255, 3747608, 4684510, 9369020, 18738040]

約数ペア:

[(1, 18738040), (2, 9369020), (4, 4684510), (5, 3747608), (8, 2342255), (10, 1873804), (20, 936902), (40, 468451)]