18400646

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{367}}^1$

素因数の和:476

約数の個数: 32

約数和(自身を含む): 31477248

約数和(自身を除く): 13076602

約数列:

[1, 2, 11, 22, 43, 53, 86, 106, 367, 473, 583, 734, 946, 1166, 2279, 4037, 4558, 8074, 15781, 19451, 25069, 31562, 38902, 50138, 173591, 213961, 347182, 427922, 836393, 1672786, 9200323, 18400646]

約数ペア:

[(1, 18400646), (2, 9200323), (11, 1672786), (22, 836393), (43, 427922), (53, 347182), (86, 213961), (106, 173591), (367, 50138), (473, 38902), (583, 31562), (734, 25069), (946, 19451), (1166, 15781), (2279, 8074), (4037, 4558)]