19707039

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{1453}}^1$

素因数の和:1607

約数の個数: 24

約数和(自身を含む): 31301712

約数和(自身を除く): 11594673

約数列:

[1, 3, 9, 11, 33, 99, 137, 411, 1233, 1453, 1507, 4359, 4521, 13077, 13563, 15983, 47949, 143847, 199061, 597183, 1791549, 2189671, 6569013, 19707039]

約数ペア:

[(1, 19707039), (3, 6569013), (9, 2189671), (11, 1791549), (33, 597183), (99, 199061), (137, 143847), (411, 47949), (1233, 15983), (1453, 13563), (1507, 13077), (4359, 4521)]