19776128

素因数分解:

$2^7\times {\mathrm{154501}}^1$

素因数の和:154515

約数の個数: 16

約数和(自身を含む): 39398010

約数和(自身を除く): 19621882

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 154501, 309002, 618004, 1236008, 2472016, 4944032, 9888064, 19776128]

約数ペア:

[(1, 19776128), (2, 9888064), (4, 4944032), (8, 2472016), (16, 1236008), (32, 618004), (64, 309002), (128, 154501)]