9923890

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{2749}}^1$

素因数の和:2794

約数の個数: 24

約数和(自身を含む): 18859500

約数和(自身を除く): 8935610

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 361, 722, 1805, 2749, 3610, 5498, 13745, 27490, 52231, 104462, 261155, 522310, 992389, 1984778, 4961945, 9923890]

約数ペア:

[(1, 9923890), (2, 4961945), (5, 1984778), (10, 992389), (19, 522310), (38, 261155), (95, 104462), (190, 52231), (361, 27490), (722, 13745), (1805, 5498), (2749, 3610)]