18058580

素因数分解:

$2^2\times 5^1\times {\mathrm{541}}^1\times {\mathrm{1669}}^1$

素因数の和:2219

約数の個数: 24

約数和(自身を含む): 38015880

約数和(自身を除く): 19957300

約数列:

[1, 2, 4, 5, 10, 20, 541, 1082, 1669, 2164, 2705, 3338, 5410, 6676, 8345, 10820, 16690, 33380, 902929, 1805858, 3611716, 4514645, 9029290, 18058580]

約数ペア:

[(1, 18058580), (2, 9029290), (4, 4514645), (5, 3611716), (10, 1805858), (20, 902929), (541, 33380), (1082, 16690), (1669, 10820), (2164, 8345), (2705, 6676), (3338, 5410)]