18225845

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{163}}^1$

素因数の和:305

約数の個数: 32

約数和(自身を含む): 25505280

約数和(自身を除く): 7279435

約数列:

[1, 5, 11, 19, 55, 95, 107, 163, 209, 535, 815, 1045, 1177, 1793, 2033, 3097, 5885, 8965, 10165, 15485, 17441, 22363, 34067, 87205, 111815, 170335, 191851, 331379, 959255, 1656895, 3645169, 18225845]

約数ペア:

[(1, 18225845), (5, 3645169), (11, 1656895), (19, 959255), (55, 331379), (95, 191851), (107, 170335), (163, 111815), (209, 87205), (535, 34067), (815, 22363), (1045, 17441), (1177, 15485), (1793, 10165), (2033, 8965), (3097, 5885)]