19589047751

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{81943}}^1$

素因数の和:82071

約数の個数: 32

約数和(自身を含む): 25110263808

約数和(自身を除く): 5521216057

約数列:

[1, 7, 13, 37, 71, 91, 259, 481, 497, 923, 2627, 3367, 6461, 18389, 34151, 81943, 239057, 573601, 1065259, 3031891, 5817953, 7456813, 21223237, 39414583, 40725671, 75633389, 215264261, 275902081, 529433723, 1506849827, 2798435393, 19589047751]

約数ペア:

[(1, 19589047751), (7, 2798435393), (13, 1506849827), (37, 529433723), (71, 275902081), (91, 215264261), (259, 75633389), (481, 40725671), (497, 39414583), (923, 21223237), (2627, 7456813), (3367, 5817953), (6461, 3031891), (18389, 1065259), (34151, 573601), (81943, 239057)]