18389968136

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{916931}}^1$

素因数の和:917069

約数の個数: 32

約数和(自身を含む): 36310507200

約数和(自身を除く): 17920539064

約数列:

[1, 2, 4, 8, 23, 46, 92, 109, 184, 218, 436, 872, 2507, 5014, 10028, 20056, 916931, 1833862, 3667724, 7335448, 21089413, 42178826, 84357652, 99945479, 168715304, 199890958, 399781916, 799563832, 2298746017, 4597492034, 9194984068, 18389968136]

約数ペア:

[(1, 18389968136), (2, 9194984068), (4, 4597492034), (8, 2298746017), (23, 799563832), (46, 399781916), (92, 199890958), (109, 168715304), (184, 99945479), (218, 84357652), (436, 42178826), (872, 21089413), (2507, 7335448), (5014, 3667724), (10028, 1833862), (20056, 916931)]