20191766881

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{8305951}}^1$

素因数の和:8305992

約数の個数: 16

約数和(自身を含む): 25117198848

約数和(自身を除く): 4925431967

約数列:

[1, 11, 13, 17, 143, 187, 221, 2431, 8305951, 91365461, 107977363, 141201167, 1187750993, 1553212837, 1835615171, 20191766881]

約数ペア:

[(1, 20191766881), (11, 1835615171), (13, 1553212837), (17, 1187750993), (143, 141201167), (187, 107977363), (221, 91365461), (2431, 8305951)]