2018505740

素因数分解:

$2^2\times 5^1\times {\mathrm{7817}}^1\times {\mathrm{12911}}^1$

素因数の和:20737

約数の個数: 24

約数和(自身を含む): 4239732672

約数和(自身を除く): 2221226932

約数列:

[1, 2, 4, 5, 10, 20, 7817, 12911, 15634, 25822, 31268, 39085, 51644, 64555, 78170, 129110, 156340, 258220, 100925287, 201850574, 403701148, 504626435, 1009252870, 2018505740]

約数ペア:

[(1, 2018505740), (2, 1009252870), (4, 504626435), (5, 403701148), (10, 201850574), (20, 100925287), (7817, 258220), (12911, 156340), (15634, 129110), (25822, 78170), (31268, 64555), (39085, 51644)]