19895194

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{271}}^1$

素因数の和:402

約数の個数: 32

約数和(自身を含む): 33841152

約数和(自身を除く): 13945958

約数列:

[1, 2, 11, 22, 47, 71, 94, 142, 271, 517, 542, 781, 1034, 1562, 2981, 3337, 5962, 6674, 12737, 19241, 25474, 36707, 38482, 73414, 140107, 211651, 280214, 423302, 904327, 1808654, 9947597, 19895194]

約数ペア:

[(1, 19895194), (2, 9947597), (11, 1808654), (22, 904327), (47, 423302), (71, 280214), (94, 211651), (142, 140107), (271, 73414), (517, 38482), (542, 36707), (781, 25474), (1034, 19241), (1562, 12737), (2981, 6674), (3337, 5962)]