19983130

素因数分解:

$2^1\times 5^1\times {\mathrm{1117}}^1\times {\mathrm{1789}}^1$

素因数の和:2913

約数の個数: 16

約数和(自身を含む): 36021960

約数和(自身を除く): 16038830

約数列:

[1, 2, 5, 10, 1117, 1789, 2234, 3578, 5585, 8945, 11170, 17890, 1998313, 3996626, 9991565, 19983130]

約数ペア:

[(1, 19983130), (2, 9991565), (5, 3996626), (10, 1998313), (1117, 17890), (1789, 11170), (2234, 8945), (3578, 5585)]