18021920

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{16091}}^1$

素因数の和:16113

約数の個数: 48

約数和(自身を含む): 48662208

約数和(自身を除く): 30640288

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 16091, 32182, 64364, 80455, 112637, 128728, 160910, 225274, 257456, 321820, 450548, 514912, 563185, 643640, 901096, 1126370, 1287280, 1802192, 2252740, 2574560, 3604384, 4505480, 9010960, 18021920]

約数ペア:

[(1, 18021920), (2, 9010960), (4, 4505480), (5, 3604384), (7, 2574560), (8, 2252740), (10, 1802192), (14, 1287280), (16, 1126370), (20, 901096), (28, 643640), (32, 563185), (35, 514912), (40, 450548), (56, 321820), (70, 257456), (80, 225274), (112, 160910), (140, 128728), (160, 112637), (224, 80455), (280, 64364), (560, 32182), (1120, 16091)]