18209860

素因数分解:

$2^2\times 5^1\times {\mathrm{373}}^1\times {\mathrm{2441}}^1$

素因数の和:2823

約数の個数: 24

約数和(自身を含む): 38358936

約数和(自身を除く): 20149076

約数列:

[1, 2, 4, 5, 10, 20, 373, 746, 1492, 1865, 2441, 3730, 4882, 7460, 9764, 12205, 24410, 48820, 910493, 1820986, 3641972, 4552465, 9104930, 18209860]

約数ペア:

[(1, 18209860), (2, 9104930), (4, 4552465), (5, 3641972), (10, 1820986), (20, 910493), (373, 48820), (746, 24410), (1492, 12205), (1865, 9764), (2441, 7460), (3730, 4882)]