18381040

素因数分解:

$2^4\times 5^1\times {\mathrm{229763}}^1$

素因数の和:229776

約数の個数: 20

約数和(自身を含む): 42736104

約数和(自身を除く): 24355064

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 229763, 459526, 919052, 1148815, 1838104, 2297630, 3676208, 4595260, 9190520, 18381040]

約数ペア:

[(1, 18381040), (2, 9190520), (4, 4595260), (5, 3676208), (8, 2297630), (10, 1838104), (16, 1148815), (20, 919052), (40, 459526), (80, 229763)]