19147420

素因数分解:

$2^2\times 5^1\times {\mathrm{269}}^1\times {\mathrm{3559}}^1$

素因数の和:3837

約数の個数: 24

約数和(自身を含む): 40370400

約数和(自身を除く): 21222980

約数列:

[1, 2, 4, 5, 10, 20, 269, 538, 1076, 1345, 2690, 3559, 5380, 7118, 14236, 17795, 35590, 71180, 957371, 1914742, 3829484, 4786855, 9573710, 19147420]

約数ペア:

[(1, 19147420), (2, 9573710), (4, 4786855), (5, 3829484), (10, 1914742), (20, 957371), (269, 71180), (538, 35590), (1076, 17795), (1345, 14236), (2690, 7118), (3559, 5380)]