19883840

素因数分解:

$2^6\times 5^1\times {\mathrm{62137}}^1$

素因数の和:62154

約数の個数: 28

約数和(自身を含む): 47349156

約数和(自身を除く): 27465316

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 62137, 124274, 248548, 310685, 497096, 621370, 994192, 1242740, 1988384, 2485480, 3976768, 4970960, 9941920, 19883840]

約数ペア:

[(1, 19883840), (2, 9941920), (4, 4970960), (5, 3976768), (8, 2485480), (10, 1988384), (16, 1242740), (20, 994192), (32, 621370), (40, 497096), (64, 310685), (80, 248548), (160, 124274), (320, 62137)]