18203919

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{5413}}^1$

素因数の和:5494

約数の個数: 16

約数和(自身を含む): 25987200

約数和(自身を除く): 7783281

約数列:

[1, 3, 19, 57, 59, 177, 1121, 3363, 5413, 16239, 102847, 308541, 319367, 958101, 6067973, 18203919]

約数ペア:

[(1, 18203919), (3, 6067973), (19, 958101), (57, 319367), (59, 308541), (177, 102847), (1121, 16239), (3363, 5413)]