18525940

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{12689}}^1$

素因数の和:12771

約数の個数: 24

約数和(自身を含む): 39440520

約数和(自身を除く): 20914580

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 1460, 12689, 25378, 50756, 63445, 126890, 253780, 926297, 1852594, 3705188, 4631485, 9262970, 18525940]

約数ペア:

[(1, 18525940), (2, 9262970), (4, 4631485), (5, 3705188), (10, 1852594), (20, 926297), (73, 253780), (146, 126890), (292, 63445), (365, 50756), (730, 25378), (1460, 12689)]