18122540

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{6917}}^1$

素因数の和:7057

約数の個数: 24

約数和(自身を含む): 38353392

約数和(自身を除く): 20230852

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 6917, 13834, 27668, 34585, 69170, 138340, 906127, 1812254, 3624508, 4530635, 9061270, 18122540]

約数ペア:

[(1, 18122540), (2, 9061270), (4, 4530635), (5, 3624508), (10, 1812254), (20, 906127), (131, 138340), (262, 69170), (524, 34585), (655, 27668), (1310, 13834), (2620, 6917)]