19904512

素因数分解:

$2^{11}\times {\mathrm{9719}}^1$

素因数の和:9741

約数の個数: 24

約数和(自身を含む): 39803400

約数和(自身を除く): 19898888

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, 2048, 9719, 19438, 38876, 77752, 155504, 311008, 622016, 1244032, 2488064, 4976128, 9952256, 19904512]

約数ペア:

[(1, 19904512), (2, 9952256), (4, 4976128), (8, 2488064), (16, 1244032), (32, 622016), (64, 311008), (128, 155504), (256, 77752), (512, 38876), (1024, 19438), (2048, 9719)]