18742545

素因数分解:

$3^2\times 5^1\times {\mathrm{416501}}^1$

素因数の和:416512

約数の個数: 12

約数和(自身を含む): 32487156

約数和(自身を除く): 13744611

約数列:

[1, 3, 5, 9, 15, 45, 416501, 1249503, 2082505, 3748509, 6247515, 18742545]

約数ペア:

[(1, 18742545), (3, 6247515), (5, 3748509), (9, 2082505), (15, 1249503), (45, 416501)]