18837836

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{1993}}^1$

素因数の和:2153

約数の個数: 24

約数和(自身を含む): 35174160

約数和(自身を除く): 16336324

約数列:

[1, 2, 4, 17, 34, 68, 139, 278, 556, 1993, 2363, 3986, 4726, 7972, 9452, 33881, 67762, 135524, 277027, 554054, 1108108, 4709459, 9418918, 18837836]

約数ペア:

[(1, 18837836), (2, 9418918), (4, 4709459), (17, 1108108), (34, 554054), (68, 277027), (139, 135524), (278, 67762), (556, 33881), (1993, 9452), (2363, 7972), (3986, 4726)]