18519470

素因数分解:

$2^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1\times {\mathrm{211}}^1$

素因数の和:416

約数の個数: 32

約数和(自身を含む): 34252416

約数和(自身を除く): 15732946

約数列:

[1, 2, 5, 10, 67, 131, 134, 211, 262, 335, 422, 655, 670, 1055, 1310, 2110, 8777, 14137, 17554, 27641, 28274, 43885, 55282, 70685, 87770, 138205, 141370, 276410, 1851947, 3703894, 9259735, 18519470]

約数ペア:

[(1, 18519470), (2, 9259735), (5, 3703894), (10, 1851947), (67, 276410), (131, 141370), (134, 138205), (211, 87770), (262, 70685), (335, 55282), (422, 43885), (655, 28274), (670, 27641), (1055, 17554), (1310, 14137), (2110, 8777)]