19945324

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{30971}}^1$

素因数の和:31005

約数の個数: 24

約数和(自身を含む): 41626368

約数和(自身を除く): 21681044

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 322, 644, 30971, 61942, 123884, 216797, 433594, 712333, 867188, 1424666, 2849332, 4986331, 9972662, 19945324]

約数ペア:

[(1, 19945324), (2, 9972662), (4, 4986331), (7, 2849332), (14, 1424666), (23, 867188), (28, 712333), (46, 433594), (92, 216797), (161, 123884), (322, 61942), (644, 30971)]