19181389

素因数分解:

${\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{349}}^1$

素因数の和:480

約数の個数: 16

約数和(自身を含む): 21092400

約数和(自身を除く): 1911011

約数列:

[1, 17, 53, 61, 349, 901, 1037, 3233, 5933, 18497, 21289, 54961, 314449, 361913, 1128317, 19181389]

約数ペア:

[(1, 19181389), (17, 1128317), (53, 361913), (61, 314449), (349, 54961), (901, 21289), (1037, 18497), (3233, 5933)]