19407115

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{193}}^1$

素因数の和:248

約数の個数: 48

約数和(自身を含む): 30673728

約数和(自身を除く): 11266613

約数列:

[1, 5, 7, 13, 17, 35, 65, 85, 91, 119, 169, 193, 221, 455, 595, 845, 965, 1105, 1183, 1351, 1547, 2509, 2873, 3281, 5915, 6755, 7735, 12545, 14365, 16405, 17563, 20111, 22967, 32617, 42653, 87815, 100555, 114835, 163085, 213265, 228319, 298571, 554489, 1141595, 1492855, 2772445, 3881423, 19407115]

約数ペア:

[(1, 19407115), (5, 3881423), (7, 2772445), (13, 1492855), (17, 1141595), (35, 554489), (65, 298571), (85, 228319), (91, 213265), (119, 163085), (169, 114835), (193, 100555), (221, 87815), (455, 42653), (595, 32617), (845, 22967), (965, 20111), (1105, 17563), (1183, 16405), (1351, 14365), (1547, 12545), (2509, 7735), (2873, 6755), (3281, 5915)]