19320040

素因数分解:

$2^3\times 5^1\times {\mathrm{547}}^1\times {\mathrm{883}}^1$

素因数の和:1441

約数の個数: 32

約数和(自身を含む): 43598880

約数和(自身を除く): 24278840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 547, 883, 1094, 1766, 2188, 2735, 3532, 4376, 4415, 5470, 7064, 8830, 10940, 17660, 21880, 35320, 483001, 966002, 1932004, 2415005, 3864008, 4830010, 9660020, 19320040]

約数ペア:

[(1, 19320040), (2, 9660020), (4, 4830010), (5, 3864008), (8, 2415005), (10, 1932004), (20, 966002), (40, 483001), (547, 35320), (883, 21880), (1094, 17660), (1766, 10940), (2188, 8830), (2735, 7064), (3532, 5470), (4376, 4415)]