19747328

素因数分解:

$2^9\times {\mathrm{38569}}^1$

素因数の和:38587

約数の個数: 20

約数和(自身を含む): 39457110

約数和(自身を除く): 19709782

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 38569, 77138, 154276, 308552, 617104, 1234208, 2468416, 4936832, 9873664, 19747328]

約数ペア:

[(1, 19747328), (2, 9873664), (4, 4936832), (8, 2468416), (16, 1234208), (32, 617104), (64, 308552), (128, 154276), (256, 77138), (512, 38569)]