20181392

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{16381}}^1$

素因数の和:16407

約数の個数: 40

約数和(自身を含む): 48752832

約数和(自身を除く): 28571440

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 77, 88, 112, 154, 176, 308, 616, 1232, 16381, 32762, 65524, 114667, 131048, 180191, 229334, 262096, 360382, 458668, 720764, 917336, 1261337, 1441528, 1834672, 2522674, 2883056, 5045348, 10090696, 20181392]

約数ペア:

[(1, 20181392), (2, 10090696), (4, 5045348), (7, 2883056), (8, 2522674), (11, 1834672), (14, 1441528), (16, 1261337), (22, 917336), (28, 720764), (44, 458668), (56, 360382), (77, 262096), (88, 229334), (112, 180191), (154, 131048), (176, 114667), (308, 65524), (616, 32762), (1232, 16381)]