19810048

素因数分解:

$2^8\times {\mathrm{77383}}^1$

素因数の和:77399

約数の個数: 18

約数和(自身を含む): 39543224

約数和(自身を除く): 19733176

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 77383, 154766, 309532, 619064, 1238128, 2476256, 4952512, 9905024, 19810048]

約数ペア:

[(1, 19810048), (2, 9905024), (4, 4952512), (8, 2476256), (16, 1238128), (32, 619064), (64, 309532), (128, 154766), (256, 77383)]