18561040

素因数分解:

$2^4\times 5^1\times {\mathrm{232013}}^1$

素因数の和:232026

約数の個数: 20

約数和(自身を含む): 43154604

約数和(自身を除く): 24593564

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 232013, 464026, 928052, 1160065, 1856104, 2320130, 3712208, 4640260, 9280520, 18561040]

約数ペア:

[(1, 18561040), (2, 9280520), (4, 4640260), (5, 3712208), (8, 2320130), (10, 1856104), (16, 1160065), (20, 928052), (40, 464026), (80, 232013)]