19876040

素因数分解:

$2^3\times 5^1\times {\mathrm{496901}}^1$

素因数の和:496912

約数の個数: 16

約数和(自身を含む): 44721180

約数和(自身を除く): 24845140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 496901, 993802, 1987604, 2484505, 3975208, 4969010, 9938020, 19876040]

約数ペア:

[(1, 19876040), (2, 9938020), (4, 4969010), (5, 3975208), (8, 2484505), (10, 1987604), (20, 993802), (40, 496901)]