19775740

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{9241}}^1$

素因数の和:9357

約数の個数: 24

約数和(自身を含む): 41921712

約数和(自身を除く): 22145972

約数列:

[1, 2, 4, 5, 10, 20, 107, 214, 428, 535, 1070, 2140, 9241, 18482, 36964, 46205, 92410, 184820, 988787, 1977574, 3955148, 4943935, 9887870, 19775740]

約数ペア:

[(1, 19775740), (2, 9887870), (4, 4943935), (5, 3955148), (10, 1977574), (20, 988787), (107, 184820), (214, 92410), (428, 46205), (535, 36964), (1070, 18482), (2140, 9241)]