2019202318

素因数分解:

$2^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{1400279}}^1$

素因数の和:1400391

約数の個数: 16

約数和(自身を含む): 3495098880

約数和(自身を除く): 1475896562

約数列:

[1, 2, 7, 14, 103, 206, 721, 1442, 1400279, 2800558, 9801953, 19603906, 144228737, 288457474, 1009601159, 2019202318]

約数ペア:

[(1, 2019202318), (2, 1009601159), (7, 288457474), (14, 144228737), (103, 19603906), (206, 9801953), (721, 2800558), (1442, 1400279)]