1988941918

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{210827}}^1$

素因数の和:210971

約数の個数: 16

約数和(自身を含む): 3073872240

約数和(自身を除く): 1084930322

約数列:

[1, 2, 53, 89, 106, 178, 4717, 9434, 210827, 421654, 11173831, 18763603, 22347662, 37527206, 994470959, 1988941918]

約数ペア:

[(1, 1988941918), (2, 994470959), (53, 37527206), (89, 22347662), (106, 18763603), (178, 11173831), (4717, 421654), (9434, 210827)]