19839715

素因数分解:

$5^1\times 7^1\times {\mathrm{283}}^1\times {\mathrm{2003}}^1$

素因数の和:2298

約数の個数: 16

約数和(自身を含む): 27318528

約数和(自身を除く): 7478813

約数列:

[1, 5, 7, 35, 283, 1415, 1981, 2003, 9905, 10015, 14021, 70105, 566849, 2834245, 3967943, 19839715]

約数ペア:

[(1, 19839715), (5, 3967943), (7, 2834245), (35, 566849), (283, 70105), (1415, 14021), (1981, 10015), (2003, 9905)]