19807438

素因数分解:

$2^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{19927}}^1$

素因数の和:20007

約数の個数: 16

約数和(自身を含む): 34435584

約数和(自身を除く): 14628146

約数列:

[1, 2, 7, 14, 71, 142, 497, 994, 19927, 39854, 139489, 278978, 1414817, 2829634, 9903719, 19807438]

約数ペア:

[(1, 19807438), (2, 9903719), (7, 2829634), (14, 1414817), (71, 278978), (142, 139489), (497, 39854), (994, 19927)]