19647044

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{1109}}^1$

素因数の和:1259

約数の個数: 24

約数和(自身を含む): 35555520

約数和(自身を除く): 15908476

約数列:

[1, 2, 4, 43, 86, 103, 172, 206, 412, 1109, 2218, 4429, 4436, 8858, 17716, 47687, 95374, 114227, 190748, 228454, 456908, 4911761, 9823522, 19647044]

約数ペア:

[(1, 19647044), (2, 9823522), (4, 4911761), (43, 456908), (86, 228454), (103, 190748), (172, 114227), (206, 95374), (412, 47687), (1109, 17716), (2218, 8858), (4429, 4436)]