19991933954

素因数分解:

$2^1\times {\mathrm{263}}^1\times {\mathrm{271}}^1\times {\mathrm{140249}}^1$

素因数の和:140785

約数の個数: 16

約数和(自身を含む): 30213216000

約数和(自身を除く): 10221282046

約数列:

[1, 2, 263, 271, 526, 542, 71273, 140249, 142546, 280498, 36885487, 38007479, 73770974, 76014958, 9995966977, 19991933954]

約数ペア:

[(1, 19991933954), (2, 9995966977), (263, 76014958), (271, 73770974), (526, 38007479), (542, 36885487), (71273, 280498), (140249, 142546)]