19818184

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{1087}}^1$

素因数の和:1189

約数の個数: 32

約数和(自身を含む): 38776320

約数和(自身を除く): 18958136

約数列:

[1, 2, 4, 8, 43, 53, 86, 106, 172, 212, 344, 424, 1087, 2174, 2279, 4348, 4558, 8696, 9116, 18232, 46741, 57611, 93482, 115222, 186964, 230444, 373928, 460888, 2477273, 4954546, 9909092, 19818184]

約数ペア:

[(1, 19818184), (2, 9909092), (4, 4954546), (8, 2477273), (43, 460888), (53, 373928), (86, 230444), (106, 186964), (172, 115222), (212, 93482), (344, 57611), (424, 46741), (1087, 18232), (2174, 9116), (2279, 8696), (4348, 4558)]