19074800

素因数分解:

$2^4\times 5^2\times {\mathrm{43}}^1\times {\mathrm{1109}}^1$

素因数の和:1170

約数の個数: 60

約数和(自身を含む): 46935240

約数和(自身を除く): 27860440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 43, 50, 80, 86, 100, 172, 200, 215, 344, 400, 430, 688, 860, 1075, 1109, 1720, 2150, 2218, 3440, 4300, 4436, 5545, 8600, 8872, 11090, 17200, 17744, 22180, 27725, 44360, 47687, 55450, 88720, 95374, 110900, 190748, 221800, 238435, 381496, 443600, 476870, 762992, 953740, 1192175, 1907480, 2384350, 3814960, 4768700, 9537400, 19074800]

約数ペア:

[(1, 19074800), (2, 9537400), (4, 4768700), (5, 3814960), (8, 2384350), (10, 1907480), (16, 1192175), (20, 953740), (25, 762992), (40, 476870), (43, 443600), (50, 381496), (80, 238435), (86, 221800), (100, 190748), (172, 110900), (200, 95374), (215, 88720), (344, 55450), (400, 47687), (430, 44360), (688, 27725), (860, 22180), (1075, 17744), (1109, 17200), (1720, 11090), (2150, 8872), (2218, 8600), (3440, 5545), (4300, 4436)]