19749478

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{82981}}^1$

素因数の和:83007

約数の個数: 16

約数和(自身を含む): 35848224

約数和(自身を除く): 16098746

約数列:

[1, 2, 7, 14, 17, 34, 119, 238, 82981, 165962, 580867, 1161734, 1410677, 2821354, 9874739, 19749478]

約数ペア:

[(1, 19749478), (2, 9874739), (7, 2821354), (14, 1410677), (17, 1161734), (34, 580867), (119, 165962), (238, 82981)]