18161645

素因数分解:

$5^1\times {\mathrm{83}}^1\times {\mathrm{107}}^1\times {\mathrm{409}}^1$

素因数の和:604

約数の個数: 16

約数和(自身を含む): 22317120

約数和(自身を除く): 4155475

約数列:

[1, 5, 83, 107, 409, 415, 535, 2045, 8881, 33947, 43763, 44405, 169735, 218815, 3632329, 18161645]

約数ペア:

[(1, 18161645), (5, 3632329), (83, 218815), (107, 169735), (409, 44405), (415, 43763), (535, 33947), (2045, 8881)]