18634288

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{61297}}^1$

素因数の和:61324

約数の個数: 20

約数和(自身を含む): 38004760

約数和(自身を除く): 19370472

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 61297, 122594, 245188, 490376, 980752, 1164643, 2329286, 4658572, 9317144, 18634288]

約数ペア:

[(1, 18634288), (2, 9317144), (4, 4658572), (8, 2329286), (16, 1164643), (19, 980752), (38, 490376), (76, 245188), (152, 122594), (304, 61297)]