18388643

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{397}}^1\times {\mathrm{509}}^1$

素因数の和:926

約数の個数: 16

約数和(自身を含む): 22733760

約数和(自身を除く): 4345117

約数列:

[1, 7, 13, 91, 397, 509, 2779, 3563, 5161, 6617, 36127, 46319, 202073, 1414511, 2626949, 18388643]

約数ペア:

[(1, 18388643), (7, 2626949), (13, 1414511), (91, 202073), (397, 46319), (509, 36127), (2779, 6617), (3563, 5161)]