19202018

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{557}}^1\times {\mathrm{1567}}^1$

素因数の和:2137

約数の個数: 16

約数和(自身を含む): 31497984

約数和(自身を除く): 12295966

約数列:

[1, 2, 11, 22, 557, 1114, 1567, 3134, 6127, 12254, 17237, 34474, 872819, 1745638, 9601009, 19202018]

約数ペア:

[(1, 19202018), (2, 9601009), (11, 1745638), (22, 872819), (557, 34474), (1114, 17237), (1567, 12254), (3134, 6127)]