19386580

素因数分解:

$2^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{4871}}^1$

素因数の和:5079

約数の個数: 24

約数和(自身を含む): 40924800

約数和(自身を除く): 21538220

約数列:

[1, 2, 4, 5, 10, 20, 199, 398, 796, 995, 1990, 3980, 4871, 9742, 19484, 24355, 48710, 97420, 969329, 1938658, 3877316, 4846645, 9693290, 19386580]

約数ペア:

[(1, 19386580), (2, 9693290), (4, 4846645), (5, 3877316), (10, 1938658), (20, 969329), (199, 97420), (398, 48710), (796, 24355), (995, 19484), (1990, 9742), (3980, 4871)]