19180042

素因数分解:

$2^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1\times {\mathrm{283}}^1$

素因数の和:442

約数の個数: 32

約数和(自身を含む): 34025472

約数和(自身を除く): 14845430

約数列:

[1, 2, 7, 14, 47, 94, 103, 206, 283, 329, 566, 658, 721, 1442, 1981, 3962, 4841, 9682, 13301, 26602, 29149, 33887, 58298, 67774, 93107, 186214, 204043, 408086, 1370003, 2740006, 9590021, 19180042]

約数ペア:

[(1, 19180042), (2, 9590021), (7, 2740006), (14, 1370003), (47, 408086), (94, 204043), (103, 186214), (206, 93107), (283, 67774), (329, 58298), (566, 33887), (658, 29149), (721, 26602), (1442, 13301), (1981, 9682), (3962, 4841)]