18017776

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{8467}}^1$

素因数の和:8501

約数の個数: 40

約数和(自身を含む): 42001280

約数和(自身を除く): 23983504

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 76, 112, 133, 152, 266, 304, 532, 1064, 2128, 8467, 16934, 33868, 59269, 67736, 118538, 135472, 160873, 237076, 321746, 474152, 643492, 948304, 1126111, 1286984, 2252222, 2573968, 4504444, 9008888, 18017776]

約数ペア:

[(1, 18017776), (2, 9008888), (4, 4504444), (7, 2573968), (8, 2252222), (14, 1286984), (16, 1126111), (19, 948304), (28, 643492), (38, 474152), (56, 321746), (76, 237076), (112, 160873), (133, 135472), (152, 118538), (266, 67736), (304, 59269), (532, 33868), (1064, 16934), (2128, 8467)]