18542660

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{22613}}^1$

素因数の和:22663

約数の個数: 24

約数和(自身を含む): 39891096

約数和(自身を除く): 21348436

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 22613, 45226, 90452, 113065, 226130, 452260, 927133, 1854266, 3708532, 4635665, 9271330, 18542660]

約数ペア:

[(1, 18542660), (2, 9271330), (4, 4635665), (5, 3708532), (10, 1854266), (20, 927133), (41, 452260), (82, 226130), (164, 113065), (205, 90452), (410, 45226), (820, 22613)]