18973419

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{2621}}^1$

素因数の和:2770

約数の個数: 16

約数和(自身を含む): 26849280

約数和(自身を除く): 7875861

約数列:

[1, 3, 19, 57, 127, 381, 2413, 2621, 7239, 7863, 49799, 149397, 332867, 998601, 6324473, 18973419]

約数ペア:

[(1, 18973419), (3, 6324473), (19, 998601), (57, 332867), (127, 149397), (381, 49799), (2413, 7863), (2621, 7239)]