19974004

素因数分解:

$2^2\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{1327}}^1$

素因数の和:1455

約数の個数: 24

約数和(自身を含む): 36142848

約数和(自身を除く): 16168844

約数列:

[1, 2, 4, 53, 71, 106, 142, 212, 284, 1327, 2654, 3763, 5308, 7526, 15052, 70331, 94217, 140662, 188434, 281324, 376868, 4993501, 9987002, 19974004]

約数ペア:

[(1, 19974004), (2, 9987002), (4, 4993501), (53, 376868), (71, 281324), (106, 188434), (142, 140662), (212, 94217), (284, 70331), (1327, 15052), (2654, 7526), (3763, 5308)]