19963144

素因数分解:

$2^3\times {\mathrm{461}}^1\times {\mathrm{5413}}^1$

素因数の和:5880

約数の個数: 16

約数和(自身を含む): 37519020

約数和(自身を除く): 17555876

約数列:

[1, 2, 4, 8, 461, 922, 1844, 3688, 5413, 10826, 21652, 43304, 2495393, 4990786, 9981572, 19963144]

約数ペア:

[(1, 19963144), (2, 9981572), (4, 4990786), (8, 2495393), (461, 43304), (922, 21652), (1844, 10826), (3688, 5413)]