18708996850

素因数分解:

$2^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{787}}^1\times {\mathrm{11057}}^1$

素因数の和:11899

約数の個数: 48

約数和(自身を含む): 35656476768

約数和(自身を除く): 16947479918

約数列:

[1, 2, 5, 10, 25, 43, 50, 86, 215, 430, 787, 1075, 1574, 2150, 3935, 7870, 11057, 19675, 22114, 33841, 39350, 55285, 67682, 110570, 169205, 276425, 338410, 475451, 552850, 846025, 950902, 1692050, 2377255, 4754510, 8701859, 11886275, 17403718, 23772550, 43509295, 87018590, 217546475, 374179937, 435092950, 748359874, 1870899685, 3741799370, 9354498425, 18708996850]

約数ペア:

[(1, 18708996850), (2, 9354498425), (5, 3741799370), (10, 1870899685), (25, 748359874), (43, 435092950), (50, 374179937), (86, 217546475), (215, 87018590), (430, 43509295), (787, 23772550), (1075, 17403718), (1574, 11886275), (2150, 8701859), (3935, 4754510), (7870, 2377255), (11057, 1692050), (19675, 950902), (22114, 846025), (33841, 552850), (39350, 475451), (55285, 338410), (67682, 276425), (110570, 169205)]