19468520

素因数分解:

$2^3\times 5^1\times {\mathrm{486713}}^1$

素因数の和:486724

約数の個数: 16

約数和(自身を含む): 43804260

約数和(自身を除く): 24335740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 486713, 973426, 1946852, 2433565, 3893704, 4867130, 9734260, 19468520]

約数ペア:

[(1, 19468520), (2, 9734260), (4, 4867130), (5, 3893704), (8, 2433565), (10, 1946852), (20, 973426), (40, 486713)]