18382480

素因数分解:

$2^4\times 5^1\times {\mathrm{229781}}^1$

素因数の和:229794

約数の個数: 20

約数和(自身を含む): 42739452

約数和(自身を除く): 24356972

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 229781, 459562, 919124, 1148905, 1838248, 2297810, 3676496, 4595620, 9191240, 18382480]

約数ペア:

[(1, 18382480), (2, 9191240), (4, 4595620), (5, 3676496), (8, 2297810), (10, 1838248), (16, 1148905), (20, 919124), (40, 459562), (80, 229781)]