18201140

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{6947}}^1$

素因数の和:7087

約数の個数: 24

約数和(自身を含む): 38519712

約数和(自身を除く): 20318572

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 6947, 13894, 27788, 34735, 69470, 138940, 910057, 1820114, 3640228, 4550285, 9100570, 18201140]

約数ペア:

[(1, 18201140), (2, 9100570), (4, 4550285), (5, 3640228), (10, 1820114), (20, 910057), (131, 138940), (262, 69470), (524, 34735), (655, 27788), (1310, 13894), (2620, 6947)]