19659980

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{16661}}^1$

素因数の和:16729

約数の個数: 24

約数和(自身を含む): 41988240

約数和(自身を除く): 22328260

約数列:

[1, 2, 4, 5, 10, 20, 59, 118, 236, 295, 590, 1180, 16661, 33322, 66644, 83305, 166610, 333220, 982999, 1965998, 3931996, 4914995, 9829990, 19659980]

約数ペア:

[(1, 19659980), (2, 9829990), (4, 4914995), (5, 3931996), (10, 1965998), (20, 982999), (59, 333220), (118, 166610), (236, 83305), (295, 66644), (590, 33322), (1180, 16661)]