19680944

素因数分解:

$2^4\times {\mathrm{643}}^1\times {\mathrm{1913}}^1$

素因数の和:2564

約数の個数: 20

約数和(自身を含む): 38211096

約数和(自身を除く): 18530152

約数列:

[1, 2, 4, 8, 16, 643, 1286, 1913, 2572, 3826, 5144, 7652, 10288, 15304, 30608, 1230059, 2460118, 4920236, 9840472, 19680944]

約数ペア:

[(1, 19680944), (2, 9840472), (4, 4920236), (8, 2460118), (16, 1230059), (643, 30608), (1286, 15304), (1913, 10288), (2572, 7652), (3826, 5144)]