19211696

素因数分解:

$2^4\times 7^1\times {\mathrm{337}}^1\times {\mathrm{509}}^1$

素因数の和:861

約数の個数: 40

約数和(自身を含む): 42750240

約数和(自身を除く): 23538544

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 337, 509, 674, 1018, 1348, 2036, 2359, 2696, 3563, 4072, 4718, 5392, 7126, 8144, 9436, 14252, 18872, 28504, 37744, 57008, 171533, 343066, 686132, 1200731, 1372264, 2401462, 2744528, 4802924, 9605848, 19211696]

約数ペア:

[(1, 19211696), (2, 9605848), (4, 4802924), (7, 2744528), (8, 2401462), (14, 1372264), (16, 1200731), (28, 686132), (56, 343066), (112, 171533), (337, 57008), (509, 37744), (674, 28504), (1018, 18872), (1348, 14252), (2036, 9436), (2359, 8144), (2696, 7126), (3563, 5392), (4072, 4718)]