18903694

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{613}}^1\times {\mathrm{907}}^1$

素因数の和:1539

約数の個数: 16

約数和(自身を含む): 30105648

約数和(自身を除く): 11201954

約数列:

[1, 2, 17, 34, 613, 907, 1226, 1814, 10421, 15419, 20842, 30838, 555991, 1111982, 9451847, 18903694]

約数ペア:

[(1, 18903694), (2, 9451847), (17, 1111982), (34, 555991), (613, 30838), (907, 20842), (1226, 15419), (1814, 10421)]