30712436

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{21269}}^1$

素因数の和:21311

約数の個数: 18

約数和(自身を含む): 56727090

約数和(自身を除く): 26014654

約数列:

[1, 2, 4, 19, 38, 76, 361, 722, 1444, 21269, 42538, 85076, 404111, 808222, 1616444, 7678109, 15356218, 30712436]

約数ペア:

[(1, 30712436), (2, 15356218), (4, 7678109), (19, 1616444), (38, 808222), (76, 404111), (361, 85076), (722, 42538), (1444, 21269)]