18974330

素因数分解:

$2^1\times 5^1\times {\mathrm{571}}^1\times {\mathrm{3323}}^1$

素因数の和:3901

約数の個数: 16

約数和(自身を含む): 34223904

約数和(自身を除く): 15249574

約数列:

[1, 2, 5, 10, 571, 1142, 2855, 3323, 5710, 6646, 16615, 33230, 1897433, 3794866, 9487165, 18974330]

約数ペア:

[(1, 18974330), (2, 9487165), (5, 3794866), (10, 1897433), (571, 33230), (1142, 16615), (2855, 6646), (3323, 5710)]