19999735

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{33613}}^1$

素因数の和:33642

約数の個数: 16

約数和(自身を含む): 29042496

約数和(自身を除く): 9042761

約数列:

[1, 5, 7, 17, 35, 85, 119, 595, 33613, 168065, 235291, 571421, 1176455, 2857105, 3999947, 19999735]

約数ペア:

[(1, 19999735), (5, 3999947), (7, 2857105), (17, 1176455), (35, 571421), (85, 235291), (119, 168065), (595, 33613)]