19946157

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{1093}}^1$

素因数の和:1193

約数の個数: 32

約数和(自身を含む): 33607680

約数和(自身を除く): 13661523

約数列:

[1, 3, 7, 11, 21, 33, 77, 79, 231, 237, 553, 869, 1093, 1659, 2607, 3279, 6083, 7651, 12023, 18249, 22953, 36069, 84161, 86347, 252483, 259041, 604429, 949817, 1813287, 2849451, 6648719, 19946157]

約数ペア:

[(1, 19946157), (3, 6648719), (7, 2849451), (11, 1813287), (21, 949817), (33, 604429), (77, 259041), (79, 252483), (231, 86347), (237, 84161), (553, 36069), (869, 22953), (1093, 18249), (1659, 12023), (2607, 7651), (3279, 6083)]