18721879

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{1889}}^1$

素因数の和:1970

約数の個数: 16

約数和(自身を含む): 22044960

約数和(自身を除く): 3323081

約数列:

[1, 11, 17, 53, 187, 583, 901, 1889, 9911, 20779, 32113, 100117, 353243, 1101287, 1701989, 18721879]

約数ペア:

[(1, 18721879), (11, 1701989), (17, 1101287), (53, 353243), (187, 100117), (583, 32113), (901, 20779), (1889, 9911)]