18740498

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{1499}}^1$

素因数の和:1574

約数の個数: 32

約数和(自身を含む): 34560000

約数和(自身を除く): 15819502

約数列:

[1, 2, 7, 14, 19, 38, 47, 94, 133, 266, 329, 658, 893, 1499, 1786, 2998, 6251, 10493, 12502, 20986, 28481, 56962, 70453, 140906, 199367, 398734, 493171, 986342, 1338607, 2677214, 9370249, 18740498]

約数ペア:

[(1, 18740498), (2, 9370249), (7, 2677214), (14, 1338607), (19, 986342), (38, 493171), (47, 398734), (94, 199367), (133, 140906), (266, 70453), (329, 56962), (658, 28481), (893, 20986), (1499, 12502), (1786, 10493), (2998, 6251)]