18780568

素因数分解:

$2^3\times {\mathrm{139}}^1\times {\mathrm{16889}}^1$

素因数の和:17034

約数の個数: 16

約数和(自身を含む): 35469000

約数和(自身を除く): 16688432

約数列:

[1, 2, 4, 8, 139, 278, 556, 1112, 16889, 33778, 67556, 135112, 2347571, 4695142, 9390284, 18780568]

約数ペア:

[(1, 18780568), (2, 9390284), (4, 4695142), (8, 2347571), (139, 135112), (278, 67556), (556, 33778), (1112, 16889)]