18312980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{130807}}^1$

素因数の和:130823

約数の個数: 24

約数和(自身を含む): 43951488

約数和(自身を除く): 25638508

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 130807, 261614, 523228, 654035, 915649, 1308070, 1831298, 2616140, 3662596, 4578245, 9156490, 18312980]

約数ペア:

[(1, 18312980), (2, 9156490), (4, 4578245), (5, 3662596), (7, 2616140), (10, 1831298), (14, 1308070), (20, 915649), (28, 654035), (35, 523228), (70, 261614), (140, 130807)]