1383830121890

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43891}}^1\times {\mathrm{165941}}^1$

素因数の和:209858

約数の個数: 32

約数和(自身を含む): 2622069455040

約数和(自身を除く): 1238239333150

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 43891, 87782, 165941, 219455, 331882, 438910, 829705, 833929, 1659410, 1667858, 3152879, 4169645, 6305758, 8339290, 15764395, 31528790, 7283316431, 14566632862, 36416582155, 72833164310, 138383012189, 276766024378, 691915060945, 1383830121890]

約数ペア:

[(1, 1383830121890), (2, 691915060945), (5, 276766024378), (10, 138383012189), (19, 72833164310), (38, 36416582155), (95, 14566632862), (190, 7283316431), (43891, 31528790), (87782, 15764395), (165941, 8339290), (219455, 6305758), (331882, 4169645), (438910, 3152879), (829705, 1667858), (833929, 1659410)]