19464721

素因数分解:

${\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{307}}^1$

素因数の和:444

約数の個数: 16

約数和(自身を含む): 21288960

約数和(自身を除く): 1824239

約数列:

[1, 19, 47, 71, 307, 893, 1349, 3337, 5833, 14429, 21797, 63403, 274151, 414143, 1024459, 19464721]

約数ペア:

[(1, 19464721), (19, 1024459), (47, 414143), (71, 274151), (307, 63403), (893, 21797), (1349, 14429), (3337, 5833)]