18397550

素因数分解:

$2^1\times 5^2\times {\mathrm{43}}^2\times {\mathrm{199}}^1$

素因数の和:297

約数の個数: 36

約数和(自身を含む): 35209800

約数和(自身を除く): 16812250

約数列:

[1, 2, 5, 10, 25, 43, 50, 86, 199, 215, 398, 430, 995, 1075, 1849, 1990, 2150, 3698, 4975, 8557, 9245, 9950, 17114, 18490, 42785, 46225, 85570, 92450, 213925, 367951, 427850, 735902, 1839755, 3679510, 9198775, 18397550]

約数ペア:

[(1, 18397550), (2, 9198775), (5, 3679510), (10, 1839755), (25, 735902), (43, 427850), (50, 367951), (86, 213925), (199, 92450), (215, 85570), (398, 46225), (430, 42785), (995, 18490), (1075, 17114), (1849, 9950), (1990, 9245), (2150, 8557), (3698, 4975)]