19990635

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{190387}}^1$

素因数の和:190402

約数の個数: 16

約数和(自身を含む): 36554496

約数和(自身を除く): 16563861

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 190387, 571161, 951935, 1332709, 2855805, 3998127, 6663545, 19990635]

約数ペア:

[(1, 19990635), (3, 6663545), (5, 3998127), (7, 2855805), (15, 1332709), (21, 951935), (35, 571161), (105, 190387)]