19875891

素因数分解:

$3^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{9371}}^1$

素因数の和:9482

約数の個数: 16

約数和(自身を含む): 30590208

約数和(自身を除く): 10714317

約数列:

[1, 3, 7, 21, 101, 303, 707, 2121, 9371, 28113, 65597, 196791, 946471, 2839413, 6625297, 19875891]

約数ペア:

[(1, 19875891), (3, 6625297), (7, 2839413), (21, 946471), (101, 196791), (303, 65597), (707, 28113), (2121, 9371)]