17947504

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{251}}^1$

素因数の和:409

約数の個数: 40

約数和(自身を含む): 36091440

約数和(自身を除く): 18143936

約数列:

[1, 2, 4, 8, 16, 41, 82, 109, 164, 218, 251, 328, 436, 502, 656, 872, 1004, 1744, 2008, 4016, 4469, 8938, 10291, 17876, 20582, 27359, 35752, 41164, 54718, 71504, 82328, 109436, 164656, 218872, 437744, 1121719, 2243438, 4486876, 8973752, 17947504]

約数ペア:

[(1, 17947504), (2, 8973752), (4, 4486876), (8, 2243438), (16, 1121719), (41, 437744), (82, 218872), (109, 164656), (164, 109436), (218, 82328), (251, 71504), (328, 54718), (436, 41164), (502, 35752), (656, 27359), (872, 20582), (1004, 17876), (1744, 10291), (2008, 8938), (4016, 4469)]