18964040

素因数分解:

$2^3\times 5^1\times {\mathrm{474101}}^1$

素因数の和:474112

約数の個数: 16

約数和(自身を含む): 42669180

約数和(自身を除く): 23705140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 474101, 948202, 1896404, 2370505, 3792808, 4741010, 9482020, 18964040]

約数ペア:

[(1, 18964040), (2, 9482020), (4, 4741010), (5, 3792808), (8, 2370505), (10, 1896404), (20, 948202), (40, 474101)]