18652907

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{2887}}^1$

素因数の和:2978

約数の個数: 16

約数和(自身を含む): 23288832

約数和(自身を除く): 4635925

約数列:

[1, 7, 13, 71, 91, 497, 923, 2887, 6461, 20209, 37531, 204977, 262717, 1434839, 2664701, 18652907]

約数ペア:

[(1, 18652907), (7, 2664701), (13, 1434839), (71, 262717), (91, 204977), (497, 37531), (923, 20209), (2887, 6461)]