18156747182

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{390989}}^1$

素因数の和:391136

約数の個数: 32

約数和(自身を含む): 32430274560

約数和(自身を除く): 14273527378

約数列:

[1, 2, 7, 14, 31, 62, 107, 214, 217, 434, 749, 1498, 3317, 6634, 23219, 46438, 390989, 781978, 2736923, 5473846, 12120659, 24241318, 41835823, 83671646, 84844613, 169689226, 292850761, 585701522, 1296910513, 2593821026, 9078373591, 18156747182]

約数ペア:

[(1, 18156747182), (2, 9078373591), (7, 2593821026), (14, 1296910513), (31, 585701522), (62, 292850761), (107, 169689226), (214, 84844613), (217, 83671646), (434, 41835823), (749, 24241318), (1498, 12120659), (3317, 5473846), (6634, 2736923), (23219, 781978), (46438, 390989)]