16901545

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{1999}}^1$

素因数の和:2112

約数の個数: 16

約数和(自身を含む): 21600000

約数和(自身を除く): 4698455

約数列:

[1, 5, 19, 89, 95, 445, 1691, 1999, 8455, 9995, 37981, 177911, 189905, 889555, 3380309, 16901545]

約数ペア:

[(1, 16901545), (5, 3380309), (19, 889555), (89, 189905), (95, 177911), (445, 37981), (1691, 9995), (1999, 8455)]