28638928

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{94207}}^1$

素因数の和:94234

約数の個数: 20

約数和(自身を含む): 58408960

約数和(自身を除く): 29770032

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 94207, 188414, 376828, 753656, 1507312, 1789933, 3579866, 7159732, 14319464, 28638928]

約数ペア:

[(1, 28638928), (2, 14319464), (4, 7159732), (8, 3579866), (16, 1789933), (19, 1507312), (38, 753656), (76, 376828), (152, 188414), (304, 94207)]