18170894

素因数分解:

$2^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{5171}}^1$

素因数の和:5431

約数の個数: 16

約数和(自身を含む): 31280256

約数和(自身を除く): 13109362

約数列:

[1, 2, 7, 14, 251, 502, 1757, 3514, 5171, 10342, 36197, 72394, 1297921, 2595842, 9085447, 18170894]

約数ペア:

[(1, 18170894), (2, 9085447), (7, 2595842), (14, 1297921), (251, 72394), (502, 36197), (1757, 10342), (3514, 5171)]