18331075

素因数分解:

$5^2\times 7^1\times {\mathrm{31}}^2\times {\mathrm{109}}^1$

素因数の和:188

約数の個数: 36

約数和(自身を含む): 27089040

約数和(自身を除く): 8757965

約数列:

[1, 5, 7, 25, 31, 35, 109, 155, 175, 217, 545, 763, 775, 961, 1085, 2725, 3379, 3815, 4805, 5425, 6727, 16895, 19075, 23653, 24025, 33635, 84475, 104749, 118265, 168175, 523745, 591325, 733243, 2618725, 3666215, 18331075]

約数ペア:

[(1, 18331075), (5, 3666215), (7, 2618725), (25, 733243), (31, 591325), (35, 523745), (109, 168175), (155, 118265), (175, 104749), (217, 84475), (545, 33635), (763, 24025), (775, 23653), (961, 19075), (1085, 16895), (2725, 6727), (3379, 5425), (3815, 4805)]