18781192

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{701}}^1$

素因数の和:921

約数の個数: 32

約数和(自身を含む): 37528920

約数和(自身を除く): 18747728

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 197, 394, 701, 788, 1402, 1576, 2804, 3349, 5608, 6698, 11917, 13396, 23834, 26792, 47668, 95336, 138097, 276194, 552388, 1104776, 2347649, 4695298, 9390596, 18781192]

約数ペア:

[(1, 18781192), (2, 9390596), (4, 4695298), (8, 2347649), (17, 1104776), (34, 552388), (68, 276194), (136, 138097), (197, 95336), (394, 47668), (701, 26792), (788, 23834), (1402, 13396), (1576, 11917), (2804, 6698), (3349, 5608)]