19473237

素因数分解:

$3^3\times 7^2\times {\mathrm{41}}^1\times {\mathrm{359}}^1$

素因数の和:423

約数の個数: 48

約数和(自身を含む): 34473600

約数和(自身を除く): 15000363

約数列:

[1, 3, 7, 9, 21, 27, 41, 49, 63, 123, 147, 189, 287, 359, 369, 441, 861, 1077, 1107, 1323, 2009, 2513, 2583, 3231, 6027, 7539, 7749, 9693, 14719, 17591, 18081, 22617, 44157, 52773, 54243, 67851, 103033, 132471, 158319, 309099, 397413, 474957, 721231, 927297, 2163693, 2781891, 6491079, 19473237]

約数ペア:

[(1, 19473237), (3, 6491079), (7, 2781891), (9, 2163693), (21, 927297), (27, 721231), (41, 474957), (49, 397413), (63, 309099), (123, 158319), (147, 132471), (189, 103033), (287, 67851), (359, 54243), (369, 52773), (441, 44157), (861, 22617), (1077, 18081), (1107, 17591), (1323, 14719), (2009, 9693), (2513, 7749), (2583, 7539), (3231, 6027)]