18900000016

素因数分解:

$2^4\times {\mathrm{1181250001}}^1$

素因数の和:1181250009

約数の個数: 10

約数和(自身を含む): 36618750062

約数和(自身を除く): 17718750046

約数列:

[1, 2, 4, 8, 16, 1181250001, 2362500002, 4725000004, 9450000008, 18900000016]

約数ペア:

[(1, 18900000016), (2, 9450000008), (4, 4725000004), (8, 2362500002), (16, 1181250001)]