18004540

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{6571}}^1$

素因数の和:6717

約数の個数: 24

約数和(自身を含む): 38091312

約数和(自身を除く): 20086772

約数列:

[1, 2, 4, 5, 10, 20, 137, 274, 548, 685, 1370, 2740, 6571, 13142, 26284, 32855, 65710, 131420, 900227, 1800454, 3600908, 4501135, 9002270, 18004540]

約数ペア:

[(1, 18004540), (2, 9002270), (4, 4501135), (5, 3600908), (10, 1800454), (20, 900227), (137, 131420), (274, 65710), (548, 32855), (685, 26284), (1370, 13142), (2740, 6571)]