18091780

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{18461}}^1$

素因数の和:18484

約数の個数: 36

約数和(自身を含む): 44198028

約数和(自身を除く): 26106248

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 18461, 36922, 73844, 92305, 129227, 184610, 258454, 369220, 516908, 646135, 904589, 1292270, 1809178, 2584540, 3618356, 4522945, 9045890, 18091780]

約数ペア:

[(1, 18091780), (2, 9045890), (4, 4522945), (5, 3618356), (7, 2584540), (10, 1809178), (14, 1292270), (20, 904589), (28, 646135), (35, 516908), (49, 369220), (70, 258454), (98, 184610), (140, 129227), (196, 92305), (245, 73844), (490, 36922), (980, 18461)]