19704515

素因数分解:

$5^1\times {\mathrm{47}}^1\times {\mathrm{191}}^1\times {\mathrm{439}}^1$

素因数の和:682

約数の個数: 16

約数和(自身を含む): 24330240

約数和(自身を除く): 4625725

約数列:

[1, 5, 47, 191, 235, 439, 955, 2195, 8977, 20633, 44885, 83849, 103165, 419245, 3940903, 19704515]

約数ペア:

[(1, 19704515), (5, 3940903), (47, 419245), (191, 103165), (235, 83849), (439, 44885), (955, 20633), (2195, 8977)]