19865188

素因数分解:

$2^2\times 7^3\times {\mathrm{14479}}^1$

素因数の和:14504

約数の個数: 24

約数和(自身を含む): 40544000

約数和(自身を除く): 20678812

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 343, 686, 1372, 14479, 28958, 57916, 101353, 202706, 405412, 709471, 1418942, 2837884, 4966297, 9932594, 19865188]

約数ペア:

[(1, 19865188), (2, 9932594), (4, 4966297), (7, 2837884), (14, 1418942), (28, 709471), (49, 405412), (98, 202706), (196, 101353), (343, 57916), (686, 28958), (1372, 14479)]