19431590

素因数分解:

$2^1\times 5^1\times {\mathrm{409}}^1\times {\mathrm{4751}}^1$

素因数の和:5167

約数の個数: 16

約数和(自身を含む): 35069760

約数和(自身を除く): 15638170

約数列:

[1, 2, 5, 10, 409, 818, 2045, 4090, 4751, 9502, 23755, 47510, 1943159, 3886318, 9715795, 19431590]

約数ペア:

[(1, 19431590), (2, 9715795), (5, 3886318), (10, 1943159), (409, 47510), (818, 23755), (2045, 9502), (4090, 4751)]