19965258

素因数分解:

$2^1\times 3^3\times {\mathrm{331}}^1\times {\mathrm{1117}}^1$

素因数の和:1459

約数の個数: 32

約数和(自身を含む): 44541120

約数和(自身を除く): 24575862

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 331, 662, 993, 1117, 1986, 2234, 2979, 3351, 5958, 6702, 8937, 10053, 17874, 20106, 30159, 60318, 369727, 739454, 1109181, 2218362, 3327543, 6655086, 9982629, 19965258]

約数ペア:

[(1, 19965258), (2, 9982629), (3, 6655086), (6, 3327543), (9, 2218362), (18, 1109181), (27, 739454), (54, 369727), (331, 60318), (662, 30159), (993, 20106), (1117, 17874), (1986, 10053), (2234, 8937), (2979, 6702), (3351, 5958)]