19143944

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1$

素因数の和:198

約数の個数: 64

約数和(自身を含む): 40392000

約数和(自身を除く): 21248056

約数列:

[1, 2, 4, 8, 19, 29, 38, 43, 58, 76, 86, 101, 116, 152, 172, 202, 232, 344, 404, 551, 808, 817, 1102, 1247, 1634, 1919, 2204, 2494, 2929, 3268, 3838, 4343, 4408, 4988, 5858, 6536, 7676, 8686, 9976, 11716, 15352, 17372, 23432, 23693, 34744, 47386, 55651, 82517, 94772, 111302, 125947, 165034, 189544, 222604, 251894, 330068, 445208, 503788, 660136, 1007576, 2392993, 4785986, 9571972, 19143944]

約数ペア:

[(1, 19143944), (2, 9571972), (4, 4785986), (8, 2392993), (19, 1007576), (29, 660136), (38, 503788), (43, 445208), (58, 330068), (76, 251894), (86, 222604), (101, 189544), (116, 165034), (152, 125947), (172, 111302), (202, 94772), (232, 82517), (344, 55651), (404, 47386), (551, 34744), (808, 23693), (817, 23432), (1102, 17372), (1247, 15352), (1634, 11716), (1919, 9976), (2204, 8686), (2494, 7676), (2929, 6536), (3268, 5858), (3838, 4988), (4343, 4408)]