18808319

素因数分解:

${\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{127}}^1\times {\mathrm{137}}^1$

素因数の和:334

約数の個数: 16

約数和(自身を含む): 20348928

約数和(自身を除く): 1540609

約数列:

[1, 23, 47, 127, 137, 1081, 2921, 3151, 5969, 6439, 17399, 137287, 148097, 400177, 817753, 18808319]

約数ペア:

[(1, 18808319), (23, 817753), (47, 400177), (127, 148097), (137, 137287), (1081, 17399), (2921, 6439), (3151, 5969)]