19388585

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{307}}^1\times {\mathrm{743}}^1$

素因数の和:1072

約数の個数: 16

約数和(自身を含む): 24748416

約数和(自身を除く): 5359831

約数列:

[1, 5, 17, 85, 307, 743, 1535, 3715, 5219, 12631, 26095, 63155, 228101, 1140505, 3877717, 19388585]

約数ペア:

[(1, 19388585), (5, 3877717), (17, 1140505), (85, 228101), (307, 63155), (743, 26095), (1535, 12631), (3715, 5219)]