19993742

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1\times {\mathrm{1367}}^1$

素因数の和:1543

約数の個数: 16

約数和(自身を含む): 30730752

約数和(自身を除く): 10737010

約数列:

[1, 2, 71, 103, 142, 206, 1367, 2734, 7313, 14626, 97057, 140801, 194114, 281602, 9996871, 19993742]

約数ペア:

[(1, 19993742), (2, 9996871), (71, 281602), (103, 194114), (142, 140801), (206, 97057), (1367, 14626), (2734, 7313)]