19789115

素因数分解:

$5^1\times {\mathrm{47}}^1\times {\mathrm{107}}^1\times {\mathrm{787}}^1$

素因数の和:946

約数の個数: 16

約数和(自身を含む): 24509952

約数和(自身を除く): 4720837

約数列:

[1, 5, 47, 107, 235, 535, 787, 3935, 5029, 25145, 36989, 84209, 184945, 421045, 3957823, 19789115]

約数ペア:

[(1, 19789115), (5, 3957823), (47, 421045), (107, 184945), (235, 84209), (535, 36989), (787, 25145), (3935, 5029)]