19199378

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{7723}}^1$

素因数の和:7849

約数の個数: 16

約数和(自身を含む): 31699296

約数和(自身を除く): 12499918

約数列:

[1, 2, 11, 22, 113, 226, 1243, 2486, 7723, 15446, 84953, 169906, 872699, 1745398, 9599689, 19199378]

約数ペア:

[(1, 19199378), (2, 9599689), (11, 1745398), (22, 872699), (113, 169906), (226, 84953), (1243, 15446), (2486, 7723)]