19847768

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{57697}}^1$

素因数の和:57746

約数の個数: 16

約数和(自身を含む): 38080680

約数和(自身を除く): 18232912

約数列:

[1, 2, 4, 8, 43, 86, 172, 344, 57697, 115394, 230788, 461576, 2480971, 4961942, 9923884, 19847768]

約数ペア:

[(1, 19847768), (2, 9923884), (4, 4961942), (8, 2480971), (43, 461576), (86, 230788), (172, 115394), (344, 57697)]