19849889

素因数分解:

${\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{503}}^1$

素因数の和:620

約数の個数: 16

約数和(自身を含む): 21934080

約数和(自身を除く): 2084191

約数列:

[1, 19, 31, 67, 503, 589, 1273, 2077, 9557, 15593, 33701, 39463, 296267, 640319, 1044731, 19849889]

約数ペア:

[(1, 19849889), (19, 1044731), (31, 640319), (67, 296267), (503, 39463), (589, 33701), (1273, 15593), (2077, 9557)]