18544836

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{499}}^1$

素因数の和:688

約数の個数: 48

約数和(自身を含む): 45920000

約数和(自身を除く): 27375164

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 76, 114, 163, 228, 326, 489, 499, 652, 978, 998, 1497, 1956, 1996, 2994, 3097, 5988, 6194, 9291, 9481, 12388, 18582, 18962, 28443, 37164, 37924, 56886, 81337, 113772, 162674, 244011, 325348, 488022, 976044, 1545403, 3090806, 4636209, 6181612, 9272418, 18544836]

約数ペア:

[(1, 18544836), (2, 9272418), (3, 6181612), (4, 4636209), (6, 3090806), (12, 1545403), (19, 976044), (38, 488022), (57, 325348), (76, 244011), (114, 162674), (163, 113772), (228, 81337), (326, 56886), (489, 37924), (499, 37164), (652, 28443), (978, 18962), (998, 18582), (1497, 12388), (1956, 9481), (1996, 9291), (2994, 6194), (3097, 5988)]