19492120

素因数分解:

$2^3\times 5^1\times {\mathrm{487303}}^1$

素因数の和:487314

約数の個数: 16

約数和(自身を含む): 43857360

約数和(自身を除く): 24365240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 487303, 974606, 1949212, 2436515, 3898424, 4873030, 9746060, 19492120]

約数ペア:

[(1, 19492120), (2, 9746060), (4, 4873030), (5, 3898424), (8, 2436515), (10, 1949212), (20, 974606), (40, 487303)]