19005189290

素因数分解:

$2^1\times 5^1\times {\mathrm{10009}}^1\times {\mathrm{189881}}^1$

素因数の和:199897

約数の個数: 16

約数和(自身を含む): 34212938760

約数和(自身を除く): 15207749470

約数列:

[1, 2, 5, 10, 10009, 20018, 50045, 100090, 189881, 379762, 949405, 1898810, 1900518929, 3801037858, 9502594645, 19005189290]

約数ペア:

[(1, 19005189290), (2, 9502594645), (5, 3801037858), (10, 1900518929), (10009, 1898810), (20018, 949405), (50045, 379762), (100090, 189881)]