18639738

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{79657}}^1$

素因数の和:79678

約数の個数: 24

約数和(自身を含む): 43493268

約数和(自身を除く): 24853530

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 79657, 159314, 238971, 477942, 716913, 1035541, 1433826, 2071082, 3106623, 6213246, 9319869, 18639738]

約数ペア:

[(1, 18639738), (2, 9319869), (3, 6213246), (6, 3106623), (9, 2071082), (13, 1433826), (18, 1035541), (26, 716913), (39, 477942), (78, 238971), (117, 159314), (234, 79657)]