18291248

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{27883}}^1$

素因数の和:27932

約数の個数: 20

約数和(自身を含む): 36304968

約数和(自身を除く): 18013720

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 27883, 55766, 111532, 223064, 446128, 1143203, 2286406, 4572812, 9145624, 18291248]

約数ペア:

[(1, 18291248), (2, 9145624), (4, 4572812), (8, 2286406), (16, 1143203), (41, 446128), (82, 223064), (164, 111532), (328, 55766), (656, 27883)]