19928895

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{189799}}^1$

素因数の和:189814

約数の個数: 16

約数和(自身を含む): 36441600

約数和(自身を除く): 16512705

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 189799, 569397, 948995, 1328593, 2846985, 3985779, 6642965, 19928895]

約数ペア:

[(1, 19928895), (3, 6642965), (5, 3985779), (7, 2846985), (15, 1328593), (21, 948995), (35, 569397), (105, 189799)]