18840474

素因数分解:

$2^1\times 3^2\times {\mathrm{37}}^1\times {\mathrm{28289}}^1$

素因数の和:28334

約数の個数: 24

約数和(自身を含む): 41925780

約数和(自身を除く): 23085306

約数列:

[1, 2, 3, 6, 9, 18, 37, 74, 111, 222, 333, 666, 28289, 56578, 84867, 169734, 254601, 509202, 1046693, 2093386, 3140079, 6280158, 9420237, 18840474]

約数ペア:

[(1, 18840474), (2, 9420237), (3, 6280158), (6, 3140079), (9, 2093386), (18, 1046693), (37, 509202), (74, 254601), (111, 169734), (222, 84867), (333, 56578), (666, 28289)]