18680455888

素因数分解:

$2^4\times {\mathrm{73}}^1\times {\mathrm{15993541}}^1$

素因数の和:15993622

約数の個数: 20

約数和(自身を含む): 36689185348

約数和(自身を除く): 18008729460

約数列:

[1, 2, 4, 8, 16, 73, 146, 292, 584, 1168, 15993541, 31987082, 63974164, 127948328, 255896656, 1167528493, 2335056986, 4670113972, 9340227944, 18680455888]

約数ペア:

[(1, 18680455888), (2, 9340227944), (4, 4670113972), (8, 2335056986), (16, 1167528493), (73, 255896656), (146, 127948328), (292, 63974164), (584, 31987082), (1168, 15993541)]