19428130

素因数分解:

$2^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{20029}}^1$

素因数の和:20133

約数の個数: 16

約数和(自身を含む): 35332920

約数和(自身を除く): 15904790

約数列:

[1, 2, 5, 10, 97, 194, 485, 970, 20029, 40058, 100145, 200290, 1942813, 3885626, 9714065, 19428130]

約数ペア:

[(1, 19428130), (2, 9714065), (5, 3885626), (10, 1942813), (97, 200290), (194, 100145), (485, 40058), (970, 20029)]