19786072

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{191}}^1\times {\mathrm{563}}^1$

素因数の和:783

約数の個数: 32

約数和(自身を含む): 38983680

約数和(自身を除く): 19197608

約数列:

[1, 2, 4, 8, 23, 46, 92, 184, 191, 382, 563, 764, 1126, 1528, 2252, 4393, 4504, 8786, 12949, 17572, 25898, 35144, 51796, 103592, 107533, 215066, 430132, 860264, 2473259, 4946518, 9893036, 19786072]

約数ペア:

[(1, 19786072), (2, 9893036), (4, 4946518), (8, 2473259), (23, 860264), (46, 430132), (92, 215066), (184, 107533), (191, 103592), (382, 51796), (563, 35144), (764, 25898), (1126, 17572), (1528, 12949), (2252, 8786), (4393, 4504)]