19905024

素因数分解:

$2^9\times 3^1\times {\mathrm{12959}}^1$

素因数の和:12980

約数の個数: 40

約数和(自身を含む): 53032320

約数和(自身を除く): 33127296

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 256, 384, 512, 768, 1536, 12959, 25918, 38877, 51836, 77754, 103672, 155508, 207344, 311016, 414688, 622032, 829376, 1244064, 1658752, 2488128, 3317504, 4976256, 6635008, 9952512, 19905024]

約数ペア:

[(1, 19905024), (2, 9952512), (3, 6635008), (4, 4976256), (6, 3317504), (8, 2488128), (12, 1658752), (16, 1244064), (24, 829376), (32, 622032), (48, 414688), (64, 311016), (96, 207344), (128, 155508), (192, 103672), (256, 77754), (384, 51836), (512, 38877), (768, 25918), (1536, 12959)]