19993635

素因数分解:

$3^4\times 5^1\times {\mathrm{49367}}^1$

素因数の和:49384

約数の個数: 20

約数和(自身を含む): 35841168

約数和(自身を除く): 15847533

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 49367, 148101, 246835, 444303, 740505, 1332909, 2221515, 3998727, 6664545, 19993635]

約数ペア:

[(1, 19993635), (3, 6664545), (5, 3998727), (9, 2221515), (15, 1332909), (27, 740505), (45, 444303), (81, 246835), (135, 148101), (405, 49367)]