19164790

素因数分解:

$2^1\times 5^1\times {\mathrm{479}}^1\times {\mathrm{4001}}^1$

素因数の和:4487

約数の個数: 16

約数和(自身を含む): 34577280

約数和(自身を除く): 15412490

約数列:

[1, 2, 5, 10, 479, 958, 2395, 4001, 4790, 8002, 20005, 40010, 1916479, 3832958, 9582395, 19164790]

約数ペア:

[(1, 19164790), (2, 9582395), (5, 3832958), (10, 1916479), (479, 40010), (958, 20005), (2395, 8002), (4001, 4790)]