17961989872

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{353}}^1\times {\mathrm{167381}}^1$

素因数の和:167761

約数の個数: 40

約数和(自身を含む): 36737001360

約数和(自身を除く): 18775011488

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 353, 706, 1412, 2824, 5648, 6707, 13414, 26828, 53656, 107312, 167381, 334762, 669524, 1339048, 2678096, 3180239, 6360478, 12720956, 25441912, 50883824, 59085493, 118170986, 236341972, 472683944, 945367888, 1122624367, 2245248734, 4490497468, 8980994936, 17961989872]

約数ペア:

[(1, 17961989872), (2, 8980994936), (4, 4490497468), (8, 2245248734), (16, 1122624367), (19, 945367888), (38, 472683944), (76, 236341972), (152, 118170986), (304, 59085493), (353, 50883824), (706, 25441912), (1412, 12720956), (2824, 6360478), (5648, 3180239), (6707, 2678096), (13414, 1339048), (26828, 669524), (53656, 334762), (107312, 167381)]