18646040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{66593}}^1$

素因数の和:66611

約数の個数: 32

約数和(自身を含む): 47947680

約数和(自身を除く): 29301640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 66593, 133186, 266372, 332965, 466151, 532744, 665930, 932302, 1331860, 1864604, 2330755, 2663720, 3729208, 4661510, 9323020, 18646040]

約数ペア:

[(1, 18646040), (2, 9323020), (4, 4661510), (5, 3729208), (7, 2663720), (8, 2330755), (10, 1864604), (14, 1331860), (20, 932302), (28, 665930), (35, 532744), (40, 466151), (56, 332965), (70, 266372), (140, 133186), (280, 66593)]