18189040

素因数分解:

$2^4\times 5^1\times {\mathrm{227363}}^1$

素因数の和:227376

約数の個数: 20

約数和(自身を含む): 42289704

約数和(自身を除く): 24100664

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 227363, 454726, 909452, 1136815, 1818904, 2273630, 3637808, 4547260, 9094520, 18189040]

約数ペア:

[(1, 18189040), (2, 9094520), (4, 4547260), (5, 3637808), (8, 2273630), (10, 1818904), (16, 1136815), (20, 909452), (40, 454726), (80, 227363)]