19992464

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{17599}}^1$

素因数の和:17678

約数の個数: 20

約数和(自身を含む): 39283200

約数和(自身を除く): 19290736

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 17599, 35198, 70396, 140792, 281584, 1249529, 2499058, 4998116, 9996232, 19992464]

約数ペア:

[(1, 19992464), (2, 9996232), (4, 4998116), (8, 2499058), (16, 1249529), (71, 281584), (142, 140792), (284, 70396), (568, 35198), (1136, 17599)]