19512560

素因数分解:

$2^4\times 5^1\times {\mathrm{191}}^1\times {\mathrm{1277}}^1$

素因数の和:1481

約数の個数: 40

約数和(自身を含む): 45639936

約数和(自身を除く): 26127376

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 191, 382, 764, 955, 1277, 1528, 1910, 2554, 3056, 3820, 5108, 6385, 7640, 10216, 12770, 15280, 20432, 25540, 51080, 102160, 243907, 487814, 975628, 1219535, 1951256, 2439070, 3902512, 4878140, 9756280, 19512560]

約数ペア:

[(1, 19512560), (2, 9756280), (4, 4878140), (5, 3902512), (8, 2439070), (10, 1951256), (16, 1219535), (20, 975628), (40, 487814), (80, 243907), (191, 102160), (382, 51080), (764, 25540), (955, 20432), (1277, 15280), (1528, 12770), (1910, 10216), (2554, 7640), (3056, 6385), (3820, 5108)]