17939530

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{256279}}^1$

素因数の和:256293

約数の個数: 16

約数和(自身を含む): 36904320

約数和(自身を除く): 18964790

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 256279, 512558, 1281395, 1793953, 2562790, 3587906, 8969765, 17939530]

約数ペア:

[(1, 17939530), (2, 8969765), (5, 3587906), (7, 2562790), (10, 1793953), (14, 1281395), (35, 512558), (70, 256279)]