187838380

素因数分解:

$2^2\times 5^1\times {\mathrm{1301}}^1\times {\mathrm{7219}}^1$

素因数の和:8529

約数の個数: 24

約数和(自身を含む): 394818480

約数和(自身を除く): 206980100

約数列:

[1, 2, 4, 5, 10, 20, 1301, 2602, 5204, 6505, 7219, 13010, 14438, 26020, 28876, 36095, 72190, 144380, 9391919, 18783838, 37567676, 46959595, 93919190, 187838380]

約数ペア:

[(1, 187838380), (2, 93919190), (4, 46959595), (5, 37567676), (10, 18783838), (20, 9391919), (1301, 144380), (2602, 72190), (5204, 36095), (6505, 28876), (7219, 26020), (13010, 14438)]