19464040

素因数分解:

$2^3\times 5^1\times {\mathrm{486601}}^1$

素因数の和:486612

約数の個数: 16

約数和(自身を含む): 43794180

約数和(自身を除く): 24330140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 486601, 973202, 1946404, 2433005, 3892808, 4866010, 9732020, 19464040]

約数ペア:

[(1, 19464040), (2, 9732020), (4, 4866010), (5, 3892808), (8, 2433005), (10, 1946404), (20, 973202), (40, 486601)]