18658780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{133277}}^1$

素因数の和:133293

約数の個数: 24

約数和(自身を含む): 44781408

約数和(自身を除く): 26122628

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 133277, 266554, 533108, 666385, 932939, 1332770, 1865878, 2665540, 3731756, 4664695, 9329390, 18658780]

約数ペア:

[(1, 18658780), (2, 9329390), (4, 4664695), (5, 3731756), (7, 2665540), (10, 1865878), (14, 1332770), (20, 932939), (28, 666385), (35, 533108), (70, 266554), (140, 133277)]