19710119

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{337}}^1\times {\mathrm{409}}^1$

素因数の和:770

約数の個数: 16

約数和(自身を含む): 23281440

約数和(自身を除く): 3571321

約数列:

[1, 11, 13, 143, 337, 409, 3707, 4381, 4499, 5317, 48191, 58487, 137833, 1516163, 1791829, 19710119]

約数ペア:

[(1, 19710119), (11, 1791829), (13, 1516163), (143, 137833), (337, 58487), (409, 48191), (3707, 5317), (4381, 4499)]