19181901

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{239}}^1\times {\mathrm{863}}^1$

素因数の和:1136

約数の個数: 16

約数和(自身を含む): 26542080

約数和(自身を除く): 7360179

約数列:

[1, 3, 31, 93, 239, 717, 863, 2589, 7409, 22227, 26753, 80259, 206257, 618771, 6393967, 19181901]

約数ペア:

[(1, 19181901), (3, 6393967), (31, 618771), (93, 206257), (239, 80259), (717, 26753), (863, 22227), (2589, 7409)]