19977023

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{317}}^1\times {\mathrm{337}}^1$

素因数の和:682

約数の個数: 16

約数和(自身を含む): 23216544

約数和(自身を除く): 3239521

約数列:

[1, 11, 17, 187, 317, 337, 3487, 3707, 5389, 5729, 59279, 63019, 106829, 1175119, 1816093, 19977023]

約数ペア:

[(1, 19977023), (11, 1816093), (17, 1175119), (187, 106829), (317, 63019), (337, 59279), (3487, 5729), (3707, 5389)]