19082420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{136303}}^1$

素因数の和:136319

約数の個数: 24

約数和(自身を含む): 45798144

約数和(自身を除く): 26715724

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 136303, 272606, 545212, 681515, 954121, 1363030, 1908242, 2726060, 3816484, 4770605, 9541210, 19082420]

約数ペア:

[(1, 19082420), (2, 9541210), (4, 4770605), (5, 3816484), (7, 2726060), (10, 1908242), (14, 1363030), (20, 954121), (28, 681515), (35, 545212), (70, 272606), (140, 136303)]