18097849168

素因数分解:

$2^4\times 7^1\times {\mathrm{161587939}}^1$

素因数の和:161587954

約数の個数: 20

約数和(自身を含む): 40073809120

約数和(自身を除く): 21975959952

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 161587939, 323175878, 646351756, 1131115573, 1292703512, 2262231146, 2585407024, 4524462292, 9048924584, 18097849168]

約数ペア:

[(1, 18097849168), (2, 9048924584), (4, 4524462292), (7, 2585407024), (8, 2262231146), (14, 1292703512), (16, 1131115573), (28, 646351756), (56, 323175878), (112, 161587939)]