19713142

素因数分解:

$2^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1\times {\mathrm{1123}}^1$

素因数の和:1323

約数の個数: 16

約数和(自身を含む): 30267072

約数和(自身を除く): 10553930

約数列:

[1, 2, 67, 131, 134, 262, 1123, 2246, 8777, 17554, 75241, 147113, 150482, 294226, 9856571, 19713142]

約数ペア:

[(1, 19713142), (2, 9856571), (67, 294226), (131, 150482), (134, 147113), (262, 75241), (1123, 17554), (2246, 8777)]