18444776

素因数分解:

$2^3\times 7^2\times {\mathrm{211}}^1\times {\mathrm{223}}^1$

素因数の和:454

約数の個数: 48

約数和(自身を含む): 40602240

約数和(自身を除く): 22157464

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 211, 223, 392, 422, 446, 844, 892, 1477, 1561, 1688, 1784, 2954, 3122, 5908, 6244, 10339, 10927, 11816, 12488, 20678, 21854, 41356, 43708, 47053, 82712, 87416, 94106, 188212, 329371, 376424, 658742, 1317484, 2305597, 2634968, 4611194, 9222388, 18444776]

約数ペア:

[(1, 18444776), (2, 9222388), (4, 4611194), (7, 2634968), (8, 2305597), (14, 1317484), (28, 658742), (49, 376424), (56, 329371), (98, 188212), (196, 94106), (211, 87416), (223, 82712), (392, 47053), (422, 43708), (446, 41356), (844, 21854), (892, 20678), (1477, 12488), (1561, 11816), (1688, 10927), (1784, 10339), (2954, 6244), (3122, 5908)]