19954256

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{9377}}^1$

素因数の和:9411

約数の個数: 40

約数和(自身を含む): 46514880

約数和(自身を除く): 26560624

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 76, 112, 133, 152, 266, 304, 532, 1064, 2128, 9377, 18754, 37508, 65639, 75016, 131278, 150032, 178163, 262556, 356326, 525112, 712652, 1050224, 1247141, 1425304, 2494282, 2850608, 4988564, 9977128, 19954256]

約数ペア:

[(1, 19954256), (2, 9977128), (4, 4988564), (7, 2850608), (8, 2494282), (14, 1425304), (16, 1247141), (19, 1050224), (28, 712652), (38, 525112), (56, 356326), (76, 262556), (112, 178163), (133, 150032), (152, 131278), (266, 75016), (304, 65639), (532, 37508), (1064, 18754), (2128, 9377)]