18293143

素因数分解:

${\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{109}}^1$

素因数の和:223

約数の個数: 24

約数和(自身を含む): 21652400

約数和(自身を除く): 3359257

約数列:

[1, 11, 19, 73, 109, 121, 209, 803, 1199, 1387, 2071, 2299, 7957, 8833, 13189, 15257, 22781, 87527, 151183, 167827, 250591, 962797, 1663013, 18293143]

約数ペア:

[(1, 18293143), (11, 1663013), (19, 962797), (73, 250591), (109, 167827), (121, 151183), (209, 87527), (803, 22781), (1199, 15257), (1387, 13189), (2071, 8833), (2299, 7957)]