18076940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{129121}}^1$

素因数の和:129137

約数の個数: 24

約数和(自身を含む): 43384992

約数和(自身を除く): 25308052

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 129121, 258242, 516484, 645605, 903847, 1291210, 1807694, 2582420, 3615388, 4519235, 9038470, 18076940]

約数ペア:

[(1, 18076940), (2, 9038470), (4, 4519235), (5, 3615388), (7, 2582420), (10, 1807694), (14, 1291210), (20, 903847), (28, 645605), (35, 516484), (70, 258242), (140, 129121)]