18021392

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{16811}}^1$

素因数の和:16886

約数の個数: 20

約数和(自身を含む): 35439696

約数和(自身を除く): 17418304

約数列:

[1, 2, 4, 8, 16, 67, 134, 268, 536, 1072, 16811, 33622, 67244, 134488, 268976, 1126337, 2252674, 4505348, 9010696, 18021392]

約数ペア:

[(1, 18021392), (2, 9010696), (4, 4505348), (8, 2252674), (16, 1126337), (67, 268976), (134, 134488), (268, 67244), (536, 33622), (1072, 16811)]