16987180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{1811}}^1$

素因数の和:1894

約数の個数: 48

約数和(自身を含む): 41400576

約数和(自身を除く): 24413396

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 67, 70, 134, 140, 268, 335, 469, 670, 938, 1340, 1811, 1876, 2345, 3622, 4690, 7244, 9055, 9380, 12677, 18110, 25354, 36220, 50708, 63385, 121337, 126770, 242674, 253540, 485348, 606685, 849359, 1213370, 1698718, 2426740, 3397436, 4246795, 8493590, 16987180]

約数ペア:

[(1, 16987180), (2, 8493590), (4, 4246795), (5, 3397436), (7, 2426740), (10, 1698718), (14, 1213370), (20, 849359), (28, 606685), (35, 485348), (67, 253540), (70, 242674), (134, 126770), (140, 121337), (268, 63385), (335, 50708), (469, 36220), (670, 25354), (938, 18110), (1340, 12677), (1811, 9380), (1876, 9055), (2345, 7244), (3622, 4690)]