18721094

素因数分解:

$2^1\times 7^1\times {\mathrm{607}}^1\times {\mathrm{2203}}^1$

素因数の和:2819

約数の個数: 16

約数和(自身を含む): 32160768

約数和(自身を除く): 13439674

約数列:

[1, 2, 7, 14, 607, 1214, 2203, 4249, 4406, 8498, 15421, 30842, 1337221, 2674442, 9360547, 18721094]

約数ペア:

[(1, 18721094), (2, 9360547), (7, 2674442), (14, 1337221), (607, 30842), (1214, 15421), (2203, 8498), (4249, 4406)]