19520128

素因数分解:

$2^7\times {\mathrm{152501}}^1$

素因数の和:152515

約数の個数: 16

約数和(自身を含む): 38888010

約数和(自身を除く): 19367882

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 152501, 305002, 610004, 1220008, 2440016, 4880032, 9760064, 19520128]

約数ペア:

[(1, 19520128), (2, 9760064), (4, 4880032), (8, 2440016), (16, 1220008), (32, 610004), (64, 305002), (128, 152501)]