18173848

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{181}}^1$

素因数の和:368

約数の個数: 64

約数和(自身を含む): 42981120

約数和(自身を除く): 24807272

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 154, 163, 181, 308, 326, 362, 616, 652, 724, 1141, 1267, 1304, 1448, 1793, 1991, 2282, 2534, 3586, 3982, 4564, 5068, 7172, 7964, 9128, 10136, 12551, 13937, 14344, 15928, 25102, 27874, 29503, 50204, 55748, 59006, 100408, 111496, 118012, 206521, 236024, 324533, 413042, 649066, 826084, 1298132, 1652168, 2271731, 2596264, 4543462, 9086924, 18173848]

約数ペア:

[(1, 18173848), (2, 9086924), (4, 4543462), (7, 2596264), (8, 2271731), (11, 1652168), (14, 1298132), (22, 826084), (28, 649066), (44, 413042), (56, 324533), (77, 236024), (88, 206521), (154, 118012), (163, 111496), (181, 100408), (308, 59006), (326, 55748), (362, 50204), (616, 29503), (652, 27874), (724, 25102), (1141, 15928), (1267, 14344), (1304, 13937), (1448, 12551), (1793, 10136), (1991, 9128), (2282, 7964), (2534, 7172), (3586, 5068), (3982, 4564)]