19395978

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{523}}^1\times {\mathrm{883}}^1$

素因数の和:1418

約数の個数: 32

約数和(自身を含む): 44468736

約数和(自身を除く): 25072758

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 523, 883, 1046, 1569, 1766, 2649, 3138, 3661, 5298, 6181, 7322, 10983, 12362, 18543, 21966, 37086, 461809, 923618, 1385427, 2770854, 3232663, 6465326, 9697989, 19395978]

約数ペア:

[(1, 19395978), (2, 9697989), (3, 6465326), (6, 3232663), (7, 2770854), (14, 1385427), (21, 923618), (42, 461809), (523, 37086), (883, 21966), (1046, 18543), (1569, 12362), (1766, 10983), (2649, 7322), (3138, 6181), (3661, 5298)]