19361705

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{199}}^1$

素因数の和:305

約数の個数: 32

約数和(自身を含む): 26784000

約数和(自身を除く): 7422295

約数列:

[1, 5, 11, 29, 55, 61, 145, 199, 305, 319, 671, 995, 1595, 1769, 2189, 3355, 5771, 8845, 10945, 12139, 19459, 28855, 60695, 63481, 97295, 133529, 317405, 352031, 667645, 1760155, 3872341, 19361705]

約数ペア:

[(1, 19361705), (5, 3872341), (11, 1760155), (29, 667645), (55, 352031), (61, 317405), (145, 133529), (199, 97295), (305, 63481), (319, 60695), (671, 28855), (995, 19459), (1595, 12139), (1769, 10945), (2189, 8845), (3355, 5771)]