19858184

素因数分解:

$2^3\times {\mathrm{61}}^1\times {\mathrm{40693}}^1$

素因数の和:40760

約数の個数: 16

約数和(自身を含む): 37845420

約数和(自身を除く): 17987236

約数列:

[1, 2, 4, 8, 61, 122, 244, 488, 40693, 81386, 162772, 325544, 2482273, 4964546, 9929092, 19858184]

約数ペア:

[(1, 19858184), (2, 9929092), (4, 4964546), (8, 2482273), (61, 325544), (122, 162772), (244, 81386), (488, 40693)]