18885759

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{5527}}^1$

素因数の和:5614

約数の個数: 16

約数和(自身を含む): 27065088

約数和(自身を除く): 8179329

約数列:

[1, 3, 17, 51, 67, 201, 1139, 3417, 5527, 16581, 93959, 281877, 370309, 1110927, 6295253, 18885759]

約数ペア:

[(1, 18885759), (3, 6295253), (17, 1110927), (51, 370309), (67, 281877), (201, 93959), (1139, 16581), (3417, 5527)]