19509906

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{389}}^1\times {\mathrm{643}}^1$

素因数の和:1050

約数の個数: 32

約数和(自身を含む): 42194880

約数和(自身を除く): 22684974

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 389, 643, 778, 1167, 1286, 1929, 2334, 3858, 5057, 8359, 10114, 15171, 16718, 25077, 30342, 50154, 250127, 500254, 750381, 1500762, 3251651, 6503302, 9754953, 19509906]

約数ペア:

[(1, 19509906), (2, 9754953), (3, 6503302), (6, 3251651), (13, 1500762), (26, 750381), (39, 500254), (78, 250127), (389, 50154), (643, 30342), (778, 25077), (1167, 16718), (1286, 15171), (1929, 10114), (2334, 8359), (3858, 5057)]