19775824

素因数分解:

$2^4\times {\mathrm{199}}^1\times {\mathrm{6211}}^1$

素因数の和:6418

約数の個数: 20

約数和(自身を含む): 38514400

約数和(自身を除く): 18738576

約数列:

[1, 2, 4, 8, 16, 199, 398, 796, 1592, 3184, 6211, 12422, 24844, 49688, 99376, 1235989, 2471978, 4943956, 9887912, 19775824]

約数ペア:

[(1, 19775824), (2, 9887912), (4, 4943956), (8, 2471978), (16, 1235989), (199, 99376), (398, 49688), (796, 24844), (1592, 12422), (3184, 6211)]