19873791

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{16603}}^1$

素因数の和:16635

約数の個数: 24

約数和(自身を含む): 34536320

約数和(自身を除く): 14662529

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197, 16603, 49809, 116221, 149427, 315457, 348663, 946371, 1045989, 2208199, 2839113, 6624597, 19873791]

約数ペア:

[(1, 19873791), (3, 6624597), (7, 2839113), (9, 2208199), (19, 1045989), (21, 946371), (57, 348663), (63, 315457), (133, 149427), (171, 116221), (399, 49809), (1197, 16603)]