18688365

素因数分解:

$3^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{5689}}^1$

素因数の和:5773

約数の個数: 24

約数和(自身を含む): 32842680

約数和(自身を除く): 14154315

約数列:

[1, 3, 5, 9, 15, 45, 73, 219, 365, 657, 1095, 3285, 5689, 17067, 28445, 51201, 85335, 256005, 415297, 1245891, 2076485, 3737673, 6229455, 18688365]

約数ペア:

[(1, 18688365), (3, 6229455), (5, 3737673), (9, 2076485), (15, 1245891), (45, 415297), (73, 256005), (219, 85335), (365, 51201), (657, 28445), (1095, 17067), (3285, 5689)]