18960291

素因数分解:

$3^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{2333}}^1$

素因数の和:2392

約数の個数: 32

約数和(自身を含む): 32862720

約数和(自身を除く): 13902429

約数列:

[1, 3, 7, 9, 21, 27, 43, 63, 129, 189, 301, 387, 903, 1161, 2333, 2709, 6999, 8127, 16331, 20997, 48993, 62991, 100319, 146979, 300957, 440937, 702233, 902871, 2106699, 2708613, 6320097, 18960291]

約数ペア:

[(1, 18960291), (3, 6320097), (7, 2708613), (9, 2106699), (21, 902871), (27, 702233), (43, 440937), (63, 300957), (129, 146979), (189, 100319), (301, 62991), (387, 48993), (903, 20997), (1161, 16331), (2333, 8127), (2709, 6999)]