19448816

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{71503}}^1$

素因数の和:71528

約数の個数: 20

約数和(自身を含む): 39899232

約数和(自身を除く): 20450416

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 71503, 143006, 286012, 572024, 1144048, 1215551, 2431102, 4862204, 9724408, 19448816]

約数ペア:

[(1, 19448816), (2, 9724408), (4, 4862204), (8, 2431102), (16, 1215551), (17, 1144048), (34, 572024), (68, 286012), (136, 143006), (272, 71503)]