18117160

素因数分解:

$2^3\times 5^1\times {\mathrm{673}}^2$

素因数の和:1357

約数の個数: 24

約数和(自身を含む): 40824270

約数和(自身を除く): 22707110

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 673, 1346, 2692, 3365, 5384, 6730, 13460, 26920, 452929, 905858, 1811716, 2264645, 3623432, 4529290, 9058580, 18117160]

約数ペア:

[(1, 18117160), (2, 9058580), (4, 4529290), (5, 3623432), (8, 2264645), (10, 1811716), (20, 905858), (40, 452929), (673, 26920), (1346, 13460), (2692, 6730), (3365, 5384)]