18061300

素因数分解:

$2^2\times 5^2\times {\mathrm{109}}^1\times {\mathrm{1657}}^1$

素因数の和:1780

約数の個数: 36

約数和(自身を含む): 39576460

約数和(自身を除く): 21515160

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 109, 218, 436, 545, 1090, 1657, 2180, 2725, 3314, 5450, 6628, 8285, 10900, 16570, 33140, 41425, 82850, 165700, 180613, 361226, 722452, 903065, 1806130, 3612260, 4515325, 9030650, 18061300]

約数ペア:

[(1, 18061300), (2, 9030650), (4, 4515325), (5, 3612260), (10, 1806130), (20, 903065), (25, 722452), (50, 361226), (100, 180613), (109, 165700), (218, 82850), (436, 41425), (545, 33140), (1090, 16570), (1657, 10900), (2180, 8285), (2725, 6628), (3314, 5450)]