19515183

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1\times {\mathrm{883}}^1$

素因数の和:1078

約数の個数: 16

約数和(自身を含む): 26732160

約数和(自身を除く): 7216977

約数列:

[1, 3, 53, 139, 159, 417, 883, 2649, 7367, 22101, 46799, 122737, 140397, 368211, 6505061, 19515183]

約数ペア:

[(1, 19515183), (3, 6505061), (53, 368211), (139, 140397), (159, 122737), (417, 46799), (883, 22101), (2649, 7367)]