18247780

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{8527}}^1$

素因数の和:8643

約数の個数: 24

約数和(自身を含む): 38683008

約数和(自身を除く): 20435228

約数列:

[1, 2, 4, 5, 10, 20, 107, 214, 428, 535, 1070, 2140, 8527, 17054, 34108, 42635, 85270, 170540, 912389, 1824778, 3649556, 4561945, 9123890, 18247780]

約数ペア:

[(1, 18247780), (2, 9123890), (4, 4561945), (5, 3649556), (10, 1824778), (20, 912389), (107, 170540), (214, 85270), (428, 42635), (535, 34108), (1070, 17054), (2140, 8527)]