18058540

素因数分解:

$2^2\times 5^1\times {\mathrm{223}}^1\times {\mathrm{4049}}^1$

素因数の和:4281

約数の個数: 24

約数和(自身を含む): 38102400

約数和(自身を除く): 20043860

約数列:

[1, 2, 4, 5, 10, 20, 223, 446, 892, 1115, 2230, 4049, 4460, 8098, 16196, 20245, 40490, 80980, 902927, 1805854, 3611708, 4514635, 9029270, 18058540]

約数ペア:

[(1, 18058540), (2, 9029270), (4, 4514635), (5, 3611708), (10, 1805854), (20, 902927), (223, 80980), (446, 40490), (892, 20245), (1115, 16196), (2230, 8098), (4049, 4460)]