18428518

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{5449}}^1$

素因数の和:5559

約数の個数: 16

約数和(自身を含む): 29430000

約数和(自身を除く): 11001482

約数列:

[1, 2, 19, 38, 89, 178, 1691, 3382, 5449, 10898, 103531, 207062, 484961, 969922, 9214259, 18428518]

約数ペア:

[(1, 18428518), (2, 9214259), (19, 969922), (38, 484961), (89, 207062), (178, 103531), (1691, 10898), (3382, 5449)]