18366740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{1033}}^1$

素因数の和:1176

約数の個数: 48

約数和(自身を含む): 44470272

約数和(自身を除く): 26103532

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 127, 140, 254, 508, 635, 889, 1033, 1270, 1778, 2066, 2540, 3556, 4132, 4445, 5165, 7231, 8890, 10330, 14462, 17780, 20660, 28924, 36155, 72310, 131191, 144620, 262382, 524764, 655955, 918337, 1311910, 1836674, 2623820, 3673348, 4591685, 9183370, 18366740]

約数ペア:

[(1, 18366740), (2, 9183370), (4, 4591685), (5, 3673348), (7, 2623820), (10, 1836674), (14, 1311910), (20, 918337), (28, 655955), (35, 524764), (70, 262382), (127, 144620), (140, 131191), (254, 72310), (508, 36155), (635, 28924), (889, 20660), (1033, 17780), (1270, 14462), (1778, 10330), (2066, 8890), (2540, 7231), (3556, 5165), (4132, 4445)]