19768888

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{60271}}^1$

素因数の和:60318

約数の個数: 16

約数和(自身を含む): 37971360

約数和(自身を除く): 18202472

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 60271, 120542, 241084, 482168, 2471111, 4942222, 9884444, 19768888]

約数ペア:

[(1, 19768888), (2, 9884444), (4, 4942222), (8, 2471111), (41, 482168), (82, 241084), (164, 120542), (328, 60271)]