19516938

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{9887}}^1$

素因数の和:9946

約数の個数: 32

約数和(自身を含む): 45563904

約数和(自身を除く): 26046966

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 47, 94, 141, 282, 329, 658, 987, 1974, 9887, 19774, 29661, 59322, 69209, 138418, 207627, 415254, 464689, 929378, 1394067, 2788134, 3252823, 6505646, 9758469, 19516938]

約数ペア:

[(1, 19516938), (2, 9758469), (3, 6505646), (6, 3252823), (7, 2788134), (14, 1394067), (21, 929378), (42, 464689), (47, 415254), (94, 207627), (141, 138418), (282, 69209), (329, 59322), (658, 29661), (987, 19774), (1974, 9887)]