19777856

素因数分解:

$2^6\times 7^1\times {\mathrm{131}}^1\times {\mathrm{337}}^1$

素因数の和:487

約数の個数: 56

約数和(自身を含む): 45329856

約数和(自身を除く): 25552000

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 131, 224, 262, 337, 448, 524, 674, 917, 1048, 1348, 1834, 2096, 2359, 2696, 3668, 4192, 4718, 5392, 7336, 8384, 9436, 10784, 14672, 18872, 21568, 29344, 37744, 44147, 58688, 75488, 88294, 150976, 176588, 309029, 353176, 618058, 706352, 1236116, 1412704, 2472232, 2825408, 4944464, 9888928, 19777856]

約数ペア:

[(1, 19777856), (2, 9888928), (4, 4944464), (7, 2825408), (8, 2472232), (14, 1412704), (16, 1236116), (28, 706352), (32, 618058), (56, 353176), (64, 309029), (112, 176588), (131, 150976), (224, 88294), (262, 75488), (337, 58688), (448, 44147), (524, 37744), (674, 29344), (917, 21568), (1048, 18872), (1348, 14672), (1834, 10784), (2096, 9436), (2359, 8384), (2696, 7336), (3668, 5392), (4192, 4718)]