19979715

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{190283}}^1$

素因数の和:190298

約数の個数: 16

約数和(自身を含む): 36534528

約数和(自身を除く): 16554813

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 190283, 570849, 951415, 1331981, 2854245, 3995943, 6659905, 19979715]

約数ペア:

[(1, 19979715), (3, 6659905), (5, 3995943), (7, 2854245), (15, 1331981), (21, 951415), (35, 570849), (105, 190283)]