18378200

素因数分解:

$2^3\times 5^2\times {\mathrm{43}}^1\times {\mathrm{2137}}^1$

素因数の和:2196

約数の個数: 48

約数和(自身を含む): 43743480

約数和(自身を除く): 25365280

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 43, 50, 86, 100, 172, 200, 215, 344, 430, 860, 1075, 1720, 2137, 2150, 4274, 4300, 8548, 8600, 10685, 17096, 21370, 42740, 53425, 85480, 91891, 106850, 183782, 213700, 367564, 427400, 459455, 735128, 918910, 1837820, 2297275, 3675640, 4594550, 9189100, 18378200]

約数ペア:

[(1, 18378200), (2, 9189100), (4, 4594550), (5, 3675640), (8, 2297275), (10, 1837820), (20, 918910), (25, 735128), (40, 459455), (43, 427400), (50, 367564), (86, 213700), (100, 183782), (172, 106850), (200, 91891), (215, 85480), (344, 53425), (430, 42740), (860, 21370), (1075, 17096), (1720, 10685), (2137, 8600), (2150, 8548), (4274, 4300)]