18668447

素因数分解:

$7^1\times {\mathrm{47}}^1\times {\mathrm{179}}^1\times {\mathrm{317}}^1$

素因数の和:550

約数の個数: 16

約数和(自身を含む): 21980160

約数和(自身を除く): 3311713

約数列:

[1, 7, 47, 179, 317, 329, 1253, 2219, 8413, 14899, 56743, 58891, 104293, 397201, 2666921, 18668447]

約数ペア:

[(1, 18668447), (7, 2666921), (47, 397201), (179, 104293), (317, 58891), (329, 56743), (1253, 14899), (2219, 8413)]